12=4(u-7)

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Solution for 12=4(u-7) equation: 



12=4(u-7)

We move all terms to the left:

12-(4(u-7))=0



We calculate terms in parentheses: -(4(u-7)), so:

4(u-7)

We multiply parentheses

4u-28

Back to the equation:

-(4u-28)



We get rid of parentheses

-4u+28+12=0

We add all the numbers together, and all the variables

-4u+40=0

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

-4u=-40

u=-40/-4

u=+10

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