-7u+5(u+7)=9

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Solution for -7u+5(u+7)=9 equation: 



-7u+5(u+7)=9

We move all terms to the left:

-7u+5(u+7)-(9)=0

We multiply parentheses

-7u+5u+35-9=0

We add all the numbers together, and all the variables

-2u+26=0

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

-2u=-26

u=-26/-2

u=+13

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