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# Solving Equations With Variables On Both Sides

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## Alexis Sanford

on 11 October 2012

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#### Transcript of Solving Equations With Variables On Both Sides

How to solve equations with
variables on both sides By: Alexis Sanford For homework we had to do a problem:

3x-5x-12=7x-88-5 Step #2

3x-5x-12=7x-93 -2x-12=7x-93 Step #1

3x-5x-12=7x-88-5

You have to choose which side is for variables and which side is for numbers Step #3

-2x-12=7x-93 -12=9x-93 Step #4

-12=9x-93 +81=9x Step #5

+81=9x Step #6

3x-5x-12=7x-88-5
3(+9)-5(+9)-12=7(+9)-88-5
+27-(+45)-12=+63-88-5
-18-12=-25-5
30=30 You have to check your work +27+(-45) -45-(+27) +63+(-88) -88-(+63) -18+(-12)
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