-7(u-9)=9u+31

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Solution for -7(u-9)=9u+31 equation: 



-7(u-9)=9u+31

We move all terms to the left:

-7(u-9)-(9u+31)=0

We multiply parentheses

-7u-(9u+31)+63=0

We get rid of parentheses

-7u-9u-31+63=0

We add all the numbers together, and all the variables

-16u+32=0

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

-16u=-32

u=-32/-16

u=+2

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