3(f+21)=93

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



3(f+21)=93

We move all terms to the left:

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

We multiply parentheses

3f+63-93=0

We add all the numbers together, and all the variables

3f-30=0

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

3f=30

f=30/3

f=10

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