-8=-7u+5(u+2)

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Solution for -8=-7u+5(u+2) equation: 



-8=-7u+5(u+2)

We move all terms to the left:

-8-(-7u+5(u+2))=0



We calculate terms in parentheses: -(-7u+5(u+2)), so:

-7u+5(u+2)

We multiply parentheses

-7u+5u+10

We add all the numbers together, and all the variables

-2u+10

Back to the equation:

-(-2u+10)



We get rid of parentheses

2u-10-8=0

We add all the numbers together, and all the variables

2u-18=0

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

2u=18

u=18/2

u=9

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