3(-8+f)=57

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Solution for 3(-8+f)=57 equation: 



3(-8+f)=57

We move all terms to the left:

3(-8+f)-(57)=0

We add all the numbers together, and all the variables

3(f-8)-57=0

We multiply parentheses

3f-24-57=0

We add all the numbers together, and all the variables

3f-81=0

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

3f=81

f=81/3

f=27

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