3(f-55)=78

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Solution for 3(f-55)=78 equation: 



3(f-55)=78

We move all terms to the left:

3(f-55)-(78)=0

We multiply parentheses

3f-165-78=0

We add all the numbers together, and all the variables

3f-243=0

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

3f=243

f=243/3

f=81

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