20=4f-12

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Solution for 20=4f-12 equation:


Simplifying
20 = 4f + -12

Reorder the terms:
20 = -12 + 4f

Solving
20 = -12 + 4f

Solving for variable 'f'.

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

Add '-4f' to each side of the equation.
20 + -4f = -12 + 4f + -4f

Combine like terms: 4f + -4f = 0
20 + -4f = -12 + 0
20 + -4f = -12

Add '-20' to each side of the equation.
20 + -20 + -4f = -12 + -20

Combine like terms: 20 + -20 = 0
0 + -4f = -12 + -20
-4f = -12 + -20

Combine like terms: -12 + -20 = -32
-4f = -32

Divide each side by '-4'.
f = 8

Simplifying
f = 8

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