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

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



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

We move all terms to the left:

12-(-2u+4(u+8))=0



We calculate terms in parentheses: -(-2u+4(u+8)), so:

-2u+4(u+8)

We multiply parentheses

-2u+4u+32

We add all the numbers together, and all the variables

2u+32

Back to the equation:

-(2u+32)



We get rid of parentheses

-2u-32+12=0

We add all the numbers together, and all the variables

-2u-20=0

We move all terms containing u to the left, all other terms to the right

-2u=20

u=20/-2

u=-10

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