f/8-21=-28

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Solution for f/8-21=-28 equation: 



f/8-21=-28

We move all terms to the left:

f/8-21-(-28)=0

We add all the numbers together, and all the variables

f/8+7=0

We multiply all the terms by the denominator


f+7*8=0

We add all the numbers together, and all the variables

f+56=0

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

f=-56

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