20+-f=-12

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Solution for 20+-f=-12 equation:


Simplifying
20 + -1f = -12

Solving
20 + -1f = -12

Solving for variable 'f'.

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

Add '-20' to each side of the equation.
20 + -20 + -1f = -12 + -20

Combine like terms: 20 + -20 = 0
0 + -1f = -12 + -20
-1f = -12 + -20

Combine like terms: -12 + -20 = -32
-1f = -32

Divide each side by '-1'.
f = 32

Simplifying
f = 32

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