-7=4(u-7)-7u

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



-7=4(u-7)-7u

We move all terms to the left:

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



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

4(u-7)-7u

We add all the numbers together, and all the variables

-7u+4(u-7)

We multiply parentheses

-7u+4u-28

We add all the numbers together, and all the variables

-3u-28

Back to the equation:

-(-3u-28)



We get rid of parentheses

3u+28-7=0

We add all the numbers together, and all the variables

3u+21=0

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

3u=-21

u=-21/3

u=-7

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