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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