Can someone confirm my answer for me? i feel like im wrong

- anonymous

Can someone confirm my answer for me? i feel like im wrong

- katieb

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- anonymous

When you simplify each side of the equation
4(x + 3) = 5 – (x + 1), you will get the equivalent equation
4x + 12 = -x + 4.

- anonymous

i pick true

- tkhunny

It is not good that correct mathematics is followed by "feel like". If you are sure of your procedure, if you made no error, let's skip the feelings and be confident in the answer. Did you get it right or not?

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## More answers

- anonymous

i really think it is true

- tkhunny

That's a start. Now, is it or isn't it? Did you make any errors?

- anonymous

\[ \begin{array}l\color{red}{\text{4}}\color{orange}{\text{x}}\color{#e6e600}{\text{ }}\color{green}{\text{+}}\color{blue}{\text{ }}\color{purple}{\text{1}}\color{purple}{\text{2}}\color{red}{\text{ }}\color{orange}{\text{=}}\color{#e6e600}{\text{ }}\color{green}{\text{-}}\color{blue}{\text{x}}\color{purple}{\text{ }}\color{purple}{\text{+}}\color{red}{\text{ }}\color{orange}{\text{4}}\color{#e6e600}{\text{ }}\color{green}{\text{m}}\color{blue}{\text{e}}\color{purple}{\text{a}}\color{purple}{\text{n}}\color{red}{\text{s}}\color{orange}{\text{ }}\color{#e6e600}{\text{-}}\color{green}{\text{8}}\color{blue}{\text{/}}\color{purple}{\text{5}}\color{purple}{\text{ }}\color{red}{\text{=}}\color{orange}{\text{ }}\color{#e6e600}{\text{x}}\color{green}{\text{
}}\color{blue}{\text{S}}\color{purple}{\text{o}}\color{purple}{\text{:}}\color{red}{\text{ }}\color{orange}{\text{4}}\color{#e6e600}{\text{*}}\color{green}{\text{-}}\color{blue}{\text{8}}\color{purple}{\text{/}}\color{purple}{\text{5}}\color{red}{\text{ }}\color{orange}{\text{+}}\color{#e6e600}{\text{ }}\color{green}{\text{1}}\color{blue}{\text{2}}\color{purple}{\text{ }}\color{purple}{\text{=}}\color{red}{\text{ }}\color{orange}{\text{2}}\color{#e6e600}{\text{8}}\color{green}{\text{/}}\color{blue}{\text{5}}\color{purple}{\text{
}}\color{purple}{\text{A}}\color{red}{\text{n}}\color{orange}{\text{d}}\color{#e6e600}{\text{ }}\color{green}{\text{-}}\color{blue}{\text{x}}\color{purple}{\text{ }}\color{purple}{\text{+}}\color{red}{\text{ }}\\\color{orange}{\text{4}}\color{#e6e600}{\text{.}}\color{green}{\text{ }}\color{blue}{\text{=}}\color{purple}{\text{ }}\color{purple}{\text{-}}\color{red}{\text{(}}\color{orange}{\text{-}}\color{#e6e600}{\text{8}}\color{green}{\text{/}}\color{blue}{\text{5}}\color{purple}{\text{)}}\color{purple}{\text{ }}\color{red}{\text{+}}\color{orange}{\text{ }}\color{#e6e600}{\text{4}}\color{green}{\text{ }}\color{blue}{\text{=}}\color{purple}{\text{ }}\color{purple}{\text{2}}\color{red}{\text{8}}\color{orange}{\text{/}}\color{#e6e600}{\text{5}}\color{green}{\text{
}}\color{blue}{\text{S}}\color{purple}{\text{o}}\color{purple}{\text{ }}\color{red}{\text{i}}\color{orange}{\text{t}}\color{#e6e600}{\text{ }}\color{green}{\text{i}}\color{blue}{\text{s}}\color{purple}{\text{ }}\color{purple}{\text{t}}\color{red}{\text{r}}\color{orange}{\text{u}}\color{#e6e600}{\text{e}}\color{green}{\text{.}}\color{blue}{\text{}}\end{array} \]

- anonymous

Its true. :)

- anonymous

:) see i got the same work you doo now i feel confident in myself lol

- anonymous

can anyone help me solve 1/5n-12=-3? solve for n.
I want to learn how to do this

- tkhunny

That's the spirit.

- anonymous

Okay one second.

- tkhunny

Do you mean \(\dfrac{1}{5n}\) or \(\dfrac{1}{5}n\)?

- anonymous

the second on that you put

- anonymous

Oh.. Okay one sec.

- tkhunny

What's stopping you from Adding 12 and multiplying by 5? You're not "feeling" that it would be wrong, are you?!

- anonymous

give me one second to see hang on

- anonymous

\[1/5 n - 12 = -3 \rightarrow witch means \rightarrow n/5 - 12 = -3 \rightarrow so \rightarrow n/5 -12 + 12 = -3 + 12 so n = 45.\]

- anonymous

Crap it got cut off :( N = 45.

- anonymous

do you feel like helping me on a few more? if not its cool...

- anonymous

n
- - 12 + 12 = -3 + 12
5
So:
n
- = 9 = N = 45
5
Sure.

- anonymous

ok give me a sec, im gouing to see if I can do them real quick

- anonymous

@zzr0ck3r ;)
im just not good at math...

- anonymous

Solve the combined inequality and select the answer that best describes the graph of the solution.
3x – 7 > -10 and 5x + 2 < 22

- anonymous

a.)open dot at -1, open dot at 4, and shaded between the numbers
b.)closed dot at -1 and 5, shaded between the numbers
c.)closed dot at 1, open dot at 5, and shaded between the numbers
d.)none of the above

- anonymous

4x+12=5-x-1
4x+12=4-x
5x=-8
x=-8/5 <---- answer

- anonymous

so then the answer would be "none of the above"

- amistre64

make sure the question posted is correct

- amistre64

linear equations should either have no solution or one solution

- anonymous

Solve the combined inequality and select the answer that best describes the graph of the solution.
3x – 7 > -10 and 5x + 2 < 22
a.)open dot at -1, open dot at 4, and shaded between the numbers
b.)closed dot at -1 and 5, shaded between the numbers
c.)closed dot at 1, open dot at 5, and shaded between the numbers
d.)none of the above

- amistre64

ahhh, i was reading the first posted and not seeing how it correlated to this one

- amistre64

tell me what you got for your solution to chk with

- anonymous

ok hang on im still trying to solve it. give me on more sec

- anonymous

i got x>-1 or x<4
so i would choose A for my correct answer?

- amistre64

i agree

- amistre64

but hold on

- anonymous

ok thankyou... i have one more and this one is a bit trickey there are several parts to it...would someone mind helping me out? I would like to know how to do thiss

- amistre64

ok, it says AND so that is correct

- amistre64

post it up

- anonymous

ok give me one second :)

- anonymous

A.) 2(x – 4) + 5x = -22
B.)2(x – 3) – 17 = 13 – 3(x + 2)
C.)2/3X+6=10
D.)|2x + 4| = 10
E.)Solve for y: 2x – 3y = 6
F.)The sum of three consecutive EVEN integers is 42. What are the integers? (Name all three integers.)
G.)Solve the inequality: -2x – 6 < 4. Be sure to provide the solutions, describe the circles and the shading for the graph.
H.)Please solve the combined inequality and describe the graph. 3x-6 > -3 and 3x-6 < 12

- anonymous

each letter is a seperate question.

- amistre64

thats not "one more"; thats several more :/

- anonymous

I didnt realize that they were seperate, until i started to read them. if you cant help, then its cool...

- amistre64

I think F might be the only one that you might not be familiar with

- anonymous

thankyou

- amistre64

can you think of a general set of 3 consecutive numbers?

- amistre64

consecutive even numbers that is

- anonymous

4,5,6?

- amistre64

every even number is a multiple of 2
2*1=2
2*2=4
2*3=6
2*4=8
....
2n = even integer

- amistre64

if we want 3 consecutive even integers; we could write it like this:
2n-2, 2n, 2n+2
to add these up we have
2n-2 + 2n + 2n+2 = 3*2n = 6n
for what value of n does 6n = 42 ??

- anonymous

7

- amistre64

good, then our middle number has to be 2*7=14
12+14+16 = 42 right?

- anonymous

yes, i just got that! :) thankyou!!
could u help me on G? and i promise thats it lol

- amistre64

Solve the inequality: -2x – 6 < 4
got
tell me what you

- amistre64

touchpad is touchy :)

- anonymous

x<5

- anonymous

-5*

- amistre64

lets chk
-2x – 6 < 4
+6 +6
-----------
-2x < 10
/-2 /-2
------------
x > -5 ; remember what the negative does to us

- anonymous

shoot i did forget that lol, thanks for remidning me

- amistre64

open or solid, which would you pick and why?

- anonymous

and i got x<6 for the other one
open

- amistre64

there is no other one on G
and open is correct; why open?

- anonymous

crap see my ADD is messing me up!!! haha, im sorry!! but open because its what it equals?

- amistre64

if we see what the question is asking for
> or <
these notations have no "=" associated with them; a closed circle represent the "=" part

- amistre64

no equal, no solid

- anonymous

ohhh that makes sense

- anonymous

i didnt know that

- amistre64

x > -5 ; no equal, no solid
<----0========>
-5

- anonymous

thankyou!!!!

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