-80=-8(u+)

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Solution for -80=-8(u+) equation: 



-80=-8(u+)

We move all terms to the left:

-80-(-8(u+))=0

We add all the numbers together, and all the variables

-(-8(+u))-80=0



We calculate terms in parentheses: -(-8(+u)), so:

-8(+u)

We multiply parentheses

-8u

Back to the equation:

-(-8u)



We get rid of parentheses

8u-80=0

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

8u=80

u=80/8

u=10

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