-12=2(u+4)+8u

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Solution for -12=2(u+4)+8u equation:



-12=2(u+4)+8u
We move all terms to the left:
-12-(2(u+4)+8u)=0
We calculate terms in parentheses: -(2(u+4)+8u), so:
2(u+4)+8u
We add all the numbers together, and all the variables
8u+2(u+4)
We multiply parentheses
8u+2u+8
We add all the numbers together, and all the variables
10u+8
Back to the equation:
-(10u+8)
We get rid of parentheses
-10u-8-12=0
We add all the numbers together, and all the variables
-10u-20=0
We move all terms containing u to the left, all other terms to the right
-10u=20
u=20/-10
u=-2

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