-4u-20=-7(u-1)

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Solution for -4u-20=-7(u-1) equation: 



-4u-20=-7(u-1)

We move all terms to the left:

-4u-20-(-7(u-1))=0



We calculate terms in parentheses: -(-7(u-1)), so:

-7(u-1)

We multiply parentheses

-7u+7

Back to the equation:

-(-7u+7)



We get rid of parentheses

-4u+7u-7-20=0

We add all the numbers together, and all the variables

3u-27=0

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

3u=27

u=27/3

u=9

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