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-16=2(u+4)-6u
We move all terms to the left:
-16-(2(u+4)-6u)=0
We calculate terms in parentheses: -(2(u+4)-6u), so:We get rid of parentheses
2(u+4)-6u
We add all the numbers together, and all the variables
-6u+2(u+4)
We multiply parentheses
-6u+2u+8
We add all the numbers together, and all the variables
-4u+8
Back to the equation:
-(-4u+8)
4u-8-16=0
We add all the numbers together, and all the variables
4u-24=0
We move all terms containing u to the left, all other terms to the right
4u=24
u=24/4
u=6
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