f-(-4)=-12

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Solution for f-(-4)=-12 equation: 


Simplifying
f + -1(-4) = -12

Multiply -1 * -4
f + 4 = -12

Reorder the terms:
4 + f = -12

Solving
4 + f = -12

Solving for variable 'f'.

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

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

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

Combine like terms: -12 + -4 = -16
f = -16

Simplifying
f = -16

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