7(u+3)-6=21

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Solution for 7(u+3)-6=21 equation: 



7(u+3)-6=21

We move all terms to the left:

7(u+3)-6-(21)=0

We add all the numbers together, and all the variables

7(u+3)-27=0

We multiply parentheses

7u+21-27=0

We add all the numbers together, and all the variables

7u-6=0

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

7u=6

u=6/7

u=6/7

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