-7(-9+3u)=

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Solution for -7(-9+3u)= equation: 



-7(-9+3u)=

We move all terms to the left:

-7(-9+3u)-()=0

We add all the numbers together, and all the variables

-7(3u-9)-()=0

We add all the numbers together, and all the variables

-7(3u-9)=0

We multiply parentheses

-21u+63=0

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

-21u=-63

u=-63/-21

u=+3

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