3f-57=12

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Solution for 3f-57=12 equation: 


Simplifying
3f + -57 = 12

Reorder the terms:
-57 + 3f = 12

Solving
-57 + 3f = 12

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Add '57' to each side of the equation.
-57 + 57 + 3f = 12 + 57

Combine like terms: -57 + 57 = 0
0 + 3f = 12 + 57
3f = 12 + 57

Combine like terms: 12 + 57 = 69
3f = 69

Divide each side by '3'.
f = 23

Simplifying
f = 23

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