3(u+21)=93

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Solution for 3(u+21)=93 equation: 



3(u+21)=93

We move all terms to the left:

3(u+21)-(93)=0

We multiply parentheses

3u+63-93=0

We add all the numbers together, and all the variables

3u-30=0

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

3u=30

u=30/3

u=10

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