3f-12=-18

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Solution for 3f-12=-18 equation: 


Simplifying
3f + -12 = -18

Reorder the terms:
-12 + 3f = -18

Solving
-12 + 3f = -18

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 + 3f = -18 + 12

Combine like terms: -12 + 12 = 0
0 + 3f = -18 + 12
3f = -18 + 12

Combine like terms: -18 + 12 = -6
3f = -6

Divide each side by '3'.
f = -2

Simplifying
f = -2

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