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7+1=-4(2x-2)
We move all terms to the left:
7+1-(-4(2x-2))=0
We add all the numbers together, and all the variables
-(-4(2x-2))+8=0
We calculate terms in parentheses: -(-4(2x-2)), so:We get rid of parentheses
-4(2x-2)
We multiply parentheses
-8x+8
Back to the equation:
-(-8x+8)
8x-8+8=0
We add all the numbers together, and all the variables
8x=0
x=0/8
x=0
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