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-8u+32=2(u+1)
We move all terms to the left:
-8u+32-(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+32=0
We add all the numbers together, and all the variables
-10u+30=0
We move all terms containing u to the left, all other terms to the right
-10u=-30
u=-30/-10
u=+3
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