5u-8=-7(u-4)

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Solution for 5u-8=-7(u-4) equation: 



5u-8=-7(u-4)

We move all terms to the left:

5u-8-(-7(u-4))=0



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

-7(u-4)

We multiply parentheses

-7u+28

Back to the equation:

-(-7u+28)



We get rid of parentheses

5u+7u-28-8=0

We add all the numbers together, and all the variables

12u-36=0

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

12u=36

u=36/12

u=3

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