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-2x-8=1x-7
We move all terms to the left:
-2x-8-(1x-7)=0
We add all the numbers together, and all the variables
-2x-(x-7)-8=0
We get rid of parentheses
-2x-x+7-8=0
We add all the numbers together, and all the variables
-3x-1=0
We move all terms containing x to the left, all other terms to the right
-3x=1
x=1/-3
x=-1/3
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