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

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



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

We move all terms to the left:

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



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

4(u+4)-8u

We add all the numbers together, and all the variables

-8u+4(u+4)

We multiply parentheses

-8u+4u+16

We add all the numbers together, and all the variables

-4u+16

Back to the equation:

-(-4u+16)



We get rid of parentheses

4u-16-12=0

We add all the numbers together, and all the variables

4u-28=0

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

4u=28

u=28/4

u=7

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