-45=-5(10+u)

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Solution for -45=-5(10+u) equation: 



-45=-5(10+u)

We move all terms to the left:

-45-(-5(10+u))=0

We add all the numbers together, and all the variables

-(-5(u+10))-45=0



We calculate terms in parentheses: -(-5(u+10)), so:

-5(u+10)

We multiply parentheses

-5u-50

Back to the equation:

-(-5u-50)



We get rid of parentheses

5u+50-45=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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