-7u-1=-2(u-2)

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Solution for -7u-1=-2(u-2) equation: 



-7u-1=-2(u-2)

We move all terms to the left:

-7u-1-(-2(u-2))=0



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

-2(u-2)

We multiply parentheses

-2u+4

Back to the equation:

-(-2u+4)



We get rid of parentheses

-7u+2u-4-1=0

We add all the numbers together, and all the variables

-5u-5=0

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

-5u=5

u=5/-5

u=-1

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