-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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