anonymous
  • anonymous
-8X+10-2X+9? (Show Work)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
is this to solve for X? or what?
anonymous
  • anonymous
you there??
anonymous
  • anonymous
yah you have to solve x

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anonymous
  • anonymous
okay so what is throwing on this problem?
anonymous
  • anonymous
C.L.T Board Problems
anonymous
  • anonymous
oh.. okay well we can work this together and solve it.
anonymous
  • anonymous
first off tell me are there a like terms what I mean numbers with X's with them?
anonymous
  • anonymous
|dw:1345681091544:dw|
anonymous
  • anonymous
with the x terms in my drawing we can bu them together like this 8x-2x+10+9
anonymous
  • anonymous
is this making sense to you??
anonymous
  • anonymous
ok
anonymous
  • anonymous
so now what 8x-2x=?
anonymous
  • anonymous
-10
anonymous
  • anonymous
the 8 was supposed to be -8
anonymous
  • anonymous
so then -10x+10+9=9?????
anonymous
  • anonymous
okay -8x-2x=-10 good now add the 10+9 together and we have?
anonymous
  • anonymous
-10x=10+9
anonymous
  • anonymous
oh i know how to do that! but what about stuff like -2-x-x and x+x+x+10
anonymous
  • anonymous
okay -x-x? that is -2x because when we have -vs- we add. X has conf of one when no value is being denfined 3x+10 because again you are adding 1 which is what the x has a value of.
anonymous
  • anonymous
unless the -2 has and x like this -2x you can not put together. since our -2-x-x the only thing you can do here is -2 -2x terms don't match.
anonymous
  • anonymous
in other words when you an X unless there a number in front think one. But not when there X^2 no.
anonymous
  • anonymous
okay what about -3x-x+7x-12+x-20, -11y+4x+y-x, and -8 times -8x +9x-4 times 4x+6
anonymous
  • anonymous
okay let us do in this in steps. first what can we do with all X terms. Recall x terms are numbers and or x's that can added or subtracted or divided?
anonymous
  • anonymous
only about this part only -3x-x+7x-12+x-20
anonymous
  • anonymous
okay I see something that equals =0 off the bat in X's
anonymous
  • anonymous
okay thanks for your help!
anonymous
  • anonymous
you sure you understand now?

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