-3u+7=4(u-7)

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Solution for -3u+7=4(u-7) equation: 



-3u+7=4(u-7)

We move all terms to the left:

-3u+7-(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

-3u-4u+28+7=0

We add all the numbers together, and all the variables

-7u+35=0

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

-7u=-35

u=-35/-7

u=+5

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