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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(-4(u-5)), so:

-4(u-5)

We multiply parentheses

-4u+20

Back to the equation:

-(-4u+20)



We get rid of parentheses

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

We add all the numbers together, and all the variables

-3u-24=0

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

-3u=24

u=24/-3

u=-8

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