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-7x-2x-3+2=8(-1)
We move all terms to the left:
-7x-2x-3+2-(8(-1))=0
We add all the numbers together, and all the variables
-9x+7=0
We move all terms containing x to the left, all other terms to the right
-9x=-7
x=-7/-9
x=7/9
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