2f-12=-3

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Solution for 2f-12=-3 equation: 


Simplifying
2f + -12 = -3

Reorder the terms:
-12 + 2f = -3

Solving
-12 + 2f = -3

Solving for variable 'f'.

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

Add '12' to each side of the equation.
-12 + 12 + 2f = -3 + 12

Combine like terms: -12 + 12 = 0
0 + 2f = -3 + 12
2f = -3 + 12

Combine like terms: -3 + 12 = 9
2f = 9

Divide each side by '2'.
f = 4.5

Simplifying
f = 4.5

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