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8u-8=2(u-1)
We move all terms to the left:
8u-8-(2(u-1))=0
We calculate terms in parentheses: -(2(u-1)), so:We get rid of parentheses
2(u-1)
We multiply parentheses
2u-2
Back to the equation:
-(2u-2)
8u-2u+2-8=0
We add all the numbers together, and all the variables
6u-6=0
We move all terms containing u to the left, all other terms to the right
6u=6
u=6/6
u=1
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