anonymous
  • anonymous
simplify the alabraic equation: 2(5x+4)+3x-(7-x)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
M
  • M
you want to group all numbers with x
amistre64
  • amistre64
distribute thru the paranthesis and then combine like terms
M
  • M
^^

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anonymous
  • anonymous
ok seriously i suck at math that makes no sense to me i have no idea how to do that
amistre64
  • amistre64
lets figure out what distribute means then :)
amistre64
  • amistre64
would you agree that (5+3) = 8?
anonymous
  • anonymous
yes
amistre64
  • amistre64
then by all means: 4(5+3) = 32 right? becasue it is simply 4(8)
anonymous
  • anonymous
yes
amistre64
  • amistre64
to distribute means to take that 4 and distribute it thru to the 5 and 3 like this: 4(5) + 4(3) = 32 20 + 12 = 32 32 = 32 ...did you see that?
anonymous
  • anonymous
ya
amistre64
  • amistre64
4(x+3) would distribute like this: 4(x) + 4(3) 4x + 21 right?
anonymous
  • anonymous
sure
amistre64
  • amistre64
well, 4(3) = 12, not 21..typoed it
amistre64
  • amistre64
can you distribute this for me then? 2(5x+4)
anonymous
  • anonymous
2 and the 5 is = 10 4 and 5 is= 20 so is it 30
amistre64
  • amistre64
good job!! you were close; but you forgot to include the 'x' part of it :) 2(5x+4) 2(5x) + 2(4) 10x + 8
amistre64
  • amistre64
a little more practice and you should have it down pat
anonymous
  • anonymous
oh so its 18 im gettng it
amistre64
  • amistre64
not quite 18; the x represent something that we know nothing about yet; suppose it represent oranges would 10 oranges and 8 cents = 18?? or would it simply be: 10 oranges and 18 cents?
amistre64
  • amistre64
typoed again...
amistre64
  • amistre64
not quite 18; the x represent something that we know nothing about yet; suppose it represent oranges would 10 oranges and 8 cents = 18?? or would it simply be: 10 oranges and 18 cents?
amistre64
  • amistre64
.....computer spazed oon me lol
anonymous
  • anonymous
oh ok
amistre64
  • amistre64
10x is just 10x; theres nothing more to do with it. 10x + 8 is as far as we can go with it
amistre64
  • amistre64
try to distribute this one for me: -1(7-x)
anonymous
  • anonymous
ok slowly but surely getting it
anonymous
  • anonymous
-1+7x
amistre64
  • amistre64
still got some ironing out to do; but the concepts are there :)
amistre64
  • amistre64
try to rewrite it like this: -1(7) + -1(-x)
amistre64
  • amistre64
-7 + x right?
anonymous
  • anonymous
yes
amistre64
  • amistre64
10x+8 +3x -7 +x is what we have come to in your question then; now we add up all the x's to get what? 10x +3x +x = how many x's?
anonymous
  • anonymous
3
amistre64
  • amistre64
3x means: x+x+x x mean: x 10x means: x+x+x+x+x+x+x+x+x+x when we add up all these x's how many are there? (x) + (x+x+x) + (x+x+x+x+x+x+x+x+x+x) ?
anonymous
  • anonymous
14
amistre64
  • amistre64
thats correct :) 14x is the combined number of x's :)
anonymous
  • anonymous
oh
amistre64
  • amistre64
14x +(8-7) =? what is 8-7?
anonymous
  • anonymous
1
amistre64
  • amistre64
then we have come to our answer and cant go any further: 14x + 1 is the answer :)
anonymous
  • anonymous
oh i see
amistre64
  • amistre64
practice at it; the hardest part really is getting the distributive stuff down pat.
anonymous
  • anonymous
uh huh i will

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