8=-8u+4(u+3)

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Solution for 8=-8u+4(u+3) equation: 



8=-8u+4(u+3)

We move all terms to the left:

8-(-8u+4(u+3))=0



We calculate terms in parentheses: -(-8u+4(u+3)), so:

-8u+4(u+3)

We multiply parentheses

-8u+4u+12

We add all the numbers together, and all the variables

-4u+12

Back to the equation:

-(-4u+12)



We get rid of parentheses

4u-12+8=0

We add all the numbers together, and all the variables

4u-4=0

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

4u=4

u=4/4

u=1

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