3(3+7u)=

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



3(3+7u)=

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

3(7u+3)=0

We multiply parentheses

21u+9=0

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

21u=-9

u=-9/21

u=-3/7

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