-9u+31=5(u+9)

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Solution for -9u+31=5(u+9) equation: 



-9u+31=5(u+9)

We move all terms to the left:

-9u+31-(5(u+9))=0



We calculate terms in parentheses: -(5(u+9)), so:

5(u+9)

We multiply parentheses

5u+45

Back to the equation:

-(5u+45)



We get rid of parentheses

-9u-5u-45+31=0

We add all the numbers together, and all the variables

-14u-14=0

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

-14u=14

u=14/-14

u=-1

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