-7u-13=-4(u-2)

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Solution for -7u-13=-4(u-2) equation: 



-7u-13=-4(u-2)

We move all terms to the left:

-7u-13-(-4(u-2))=0



We calculate terms in parentheses: -(-4(u-2)), so:

-4(u-2)

We multiply parentheses

-4u+8

Back to the equation:

-(-4u+8)



We get rid of parentheses

-7u+4u-8-13=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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