F-3=-12

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Solution for F-3=-12 equation: 


Simplifying
F + -3 = -12

Reorder the terms:
-3 + F = -12

Solving
-3 + F = -12

Solving for variable 'F'.

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

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

Combine like terms: -3 + 3 = 0
0 + F = -12 + 3
F = -12 + 3

Combine like terms: -12 + 3 = -9
F = -9

Simplifying
F = -9

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