3(f-8)=-21

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Solution for 3(f-8)=-21 equation: 



3(f-8)=-21

We move all terms to the left:

3(f-8)-(-21)=0

We add all the numbers together, and all the variables

3(f-8)+21=0

We multiply parentheses

3f-24+21=0

We add all the numbers together, and all the variables

3f-3=0

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

3f=3

f=3/3

f=1

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