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7x + 10 = 59

2x + 1 = 3 undo +1 by -1 from both sides to get balanced
2x=2 divide both sides by 2
x=1

So, you would have to go through the order of operations, and start with the... ugh

i'm so stupid >:(

inverse operation + and -, x and /

we can start simpler:
how about:
x+3 = 5

that would be 2

you are correct, but why is it 2?

because 3- 5=2

always undo addition or subtraction first then multiplication or division...you got it!

:D so, can you give me a harder one?

almost correct :) 5 - 3 = 2

5-3 = 2

wait what did i say?

3 - 5 = -2

oops thats what i meant... that would be a negative right?

yes!

sweet

very good!

true

P.E.M.D.A.S.

yes

what happens when the kids on each end weigh the same?

one will have to push off to make them move, or else it will be balanced. and that would still be 2

yes... haha

yeah... so you would have to follow order of operations?

ok. i'm sorry i suck at math :/

those are the basics just remember to use the order of operations backwards ; )

yes i think?

does x+0 = x?

yes

then we want x+0 :)
how do we get rid of (+3) and turn it into "0"??

ummmmm.... put it in parenthises?

NO

i wish lol

WE WOULD SUBTRACT

yeah. so x would equal 2?

ahhh i understand.

wait where did you get the 5?

oh no nevermind.

:D

tell me what I do with this one now:
t - 4 = 3

turn the 4 into 0? i think i know the answer to this though

1?

lets turn the 4 into how? we have t - 4 .... what doe we do to turn it into t+0 ??

O.O

4 into 0 how...

oh subtract

ok. so would we change it to 4-3=t?

stay with me now :)
do you see that t is attached to a (-4)? t-4

Â¿:Ä±

yes

a negative 4?

good, yes :)

how do we get rid of a -4?

add 4

exactly :)

lets try it out:
t -4+4 = 3+4
t-0 = 7
t = 7

we add 4 to EACH side right?
t -4+4 = 3+4 what does 3+4 =?

7....

OH

i understand

good :)

wanna try another one?

thanks you for doing this for me.
and yes please

2x+8=16

you have to do the oppsite
\

Â¿:Ä±

youre welcome:
lets try something related, but different now.
we will get to that one soon enough

ok

5x = 15

sounds good

-8 both sides

2x+8=16

ummm 5x would be like, 5â€¢ 5?

it would be the same concept as 5*5 right.

so... would you be solving for x in that equation?

2x+8=16
-8 -8
2x=8
2x/2=8/2
x=4

oh xcrap.. divide?

i hpoe this helps

divide is correct:)

2x+8=16
-8 -8
2x=8
2x/2=8/2
x=4

that one

i suck at dividing :D thanks for being patiant

do you get my eample

ok

sarhouse

why is the number 1 important to us in multiplying?

2x+8=16
-8 -8
2x=8
2x/2=8/2
x=4

yes... so.... what would we divide? 5 Ã· 5? that would =1

correct

because... its like a place holder? i have no idea

what does 1 times a number =?
x * 1 = ?

5x=15
/5 /5
x=3

that would be x... just like 10 â€¢ 1= 10

you are correct :)

sarahouse i sloved it

so, the answer is.....

its sarahrose

sara1000: solving it is not the issue :)

5x = 15
you say we need to divide by 5 correct? do we do that to both sides?

and i'm kind of ignoring what you say sarah1000 nothing personal, but amistre64 is helping alot

yeah... so.... would we get rid of the x?

the x we want to keep, its gona tells us its secrets when we get it all alone :)

WOA haha XD so.. do we get rid of anything?

what is the /?

oh a fraction?

divison

Â¿:Ä±

when typing out on a keyboard, we represent the fraction bar, which is also a division bar, by "/"

easy

ooooh

sara please im trying >:(

ok

suppose we have somethig like this to solve:
4x = 3

am try to make you understand

we would do he same thing as the first time? just, 4 times itself?

how diid you become a superhero

i taught my kids to walk by encouraging them to take baby steps :) not by pushing them down :)

we would divide by 4 that is correct :)

wow how old are you? lol not trying to be mean

older than my kids ;)

so.. (4â€¢4)=3?

haha

we need to "divide" by 4, not multiply. remember.
4x/4 = 3/4
x = 3/4 do you see it?

amistre64

yes Â¿:) i think

yes sara?

how do you make people be your fan

right next to their name it says "Become A Fan" click it

i dont make anyone be my fan..... they just like pushing little thumb buttons for all I know ;)

:)

its because you are so much better then searching the internet and only getting 1 minute free trials

Lets try another one.
r/3 = 2
since this is divisiion stuck to the "r" what do we need to do?

uhhhh :Ä±

multiply... and we would have to do that on both sides?

that is correct!!

sweet~! i'm sorry ill brb

sara can you become my fan

r/3 = 2 when you get back, let me know what we need to multiply both sides by :)

sara1000, since you know how to do the algebra ill be your fan ;)

ok

M IN 8 GRADE

8th grade is a pretty big accomplishment :)

ok

it takes alot of work to get out of 5... or so my daughter would have me beleive :)

where is sararose

dunno, floated off into the ether to dance with the stars i spose...

im so sorry i had to take the neighbor a cassorole dish

srarose become my fasn plz

tuna cassarole? bean cassarole? mac and cheese cassarole?

i have no idea lol. what sucks is the werent even there.

:) so, where were we...
r/3 = 2 .... you say we multiply...by what?

by the 3?

sarose

plz be my fan

thats correct :) lets try it and see.....
3 * r/3 = 2 * 3
1*r = 6
r = 6 hey, it worked :)

i am your fan

ok

ok.. so 6/3=2?

makes sense

yes :)

sweet :)

all the problems your ever going to run itno, will use these 4 basic operations to solve.

ok...

with practice, youll be better at it than me :)

i doubt that! haaha are you like a teacher or something? and can u give me a harder one too?

I suppose I am an "or something" :)

haha

i just realized that this site is.. like twitter! lol

Â¿:Ä± what is the ^?

its a symbol used for an exponent. if you havent seen exponents yet...yuo will :)

2^2 = 4
3^2 = 9
4^2 = 16

x^2 = x*x = x^2

i have in class.. but i'm like the dumbest one in math, and im in college level in reading! l

oh

Â¿:Ä±

lets keep these equations linear for you to practice with :)

isnt it like 3^3 would be 3 times 3 times 3?

thats right

there is another symbol used called a factorial:
4! means 1*2*3*4
6! means 1*2*3*4*5*6

is there a way to close the group chat thing? i can't friggin concintrate

oh thats weird 4! sounds like an excied 4 lol

nah, I suggested they move it somewhere else, but they seem to think its in a good spot

butbut how is that different? then just plain 4?

4 = 1+1+1+1 = 4
4^4 = 4 *4 *4 *4 = 256
4! = 1* 2 * 3 * 4 = 24

oh... so like 4+2! would still = 2?

lets see :)
4 + 2! = 4 + (1*2) = 4 + (2) = 6

but isn't 1 â€¢ 2 just going to = 2?

oops i didnt't mean = 2 i meant 6. lol

thats right. 1*2 = 2 :)

oh sweet. so, if you had 3 â€¢ 4! it would be (24â€¢3) right

exactly :)

oooooooooh :D

so... what would a difficult- like 7th grade prblem be

3x -7 = 8 ; now the trick becomes knowing what to do first in this one:)

i remember it this way; first get rid of the neighbors then get rid of the spouse :)

can you use the order of operations in that?

:O thats mean lol

the order of operations are worked backwards if you want to try them, but I never do ;)

so, pemdas would be sadmep lol if you say that out loud it sounds like sad mop

oooh

we would have to add 7. so, it would be 3x (-7 + 7 = 0 ) = 8? or somthin like that?

id rather keep it to in here, just for precations :)

what a creepy a 3 XD

IM NOT A FREAK lol i swear

lol :)

ohhh

well, you can head off to lass. i dont want to keep you... haha

class*

but were almost done :)
3x = 15 ..... how to get rid of that pesky 3 ?

divide?

divide!! say it what confidence :)
yes.
3x/3 = 15/3
1x = 5
x = 5 yay!!

cool! thank you so much. you have helped a ton

Ciao :)

can you help me

see ya :)

im sorry i suck at percentiges too... lol

sara1000; I have to head to class now for a few hours, illl try later ;)

what class