5u-31=9(u+1)

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Solution for 5u-31=9(u+1) equation: 



5u-31=9(u+1)

We move all terms to the left:

5u-31-(9(u+1))=0



We calculate terms in parentheses: -(9(u+1)), so:

9(u+1)

We multiply parentheses

9u+9

Back to the equation:

-(9u+9)



We get rid of parentheses

5u-9u-9-31=0

We add all the numbers together, and all the variables

-4u-40=0

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

-4u=40

u=40/-4

u=-10

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