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.-7x-3x+2=-8x-8
We move all terms to the left:
.-7x-3x+2-(-8x-8)=0
We add all the numbers together, and all the variables
-10x-(-8x-8)=0
We get rid of parentheses
-10x+8x+8=0
We add all the numbers together, and all the variables
-2x+8=0
We move all terms containing x to the left, all other terms to the right
-2x=-8
x=-8/-2
x=+4
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