2u+31=-9(u-1)

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Solution for 2u+31=-9(u-1) equation: 



2u+31=-9(u-1)

We move all terms to the left:

2u+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

2u+9u-9+31=0

We add all the numbers together, and all the variables

11u+22=0

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

11u=-22

u=-22/11

u=-2

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