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X-3X=2X+8
We move all terms to the left:
X-3X-(2X+8)=0
We add all the numbers together, and all the variables
-2X-(2X+8)=0
We get rid of parentheses
-2X-2X-8=0
We add all the numbers together, and all the variables
-4X-8=0
We move all terms containing X to the left, all other terms to the right
-4X=8
X=8/-4
X=-2
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