12f-15=81

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Solution for 12f-15=81 equation: 


Simplifying
12f + -15 = 81

Reorder the terms:
-15 + 12f = 81

Solving
-15 + 12f = 81

Solving for variable 'f'.

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

Add '15' to each side of the equation.
-15 + 15 + 12f = 81 + 15

Combine like terms: -15 + 15 = 0
0 + 12f = 81 + 15
12f = 81 + 15

Combine like terms: 81 + 15 = 96
12f = 96

Divide each side by '12'.
f = 8

Simplifying
f = 8

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