f-15=-4

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Solution for f-15=-4 equation: 


Simplifying
f + -15 = -4

Reorder the terms:
-15 + f = -4

Solving
-15 + f = -4

Solving for variable 'f'.

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

Add '15' to each side of the equation.
-15 + 15 + f = -4 + 15

Combine like terms: -15 + 15 = 0
0 + f = -4 + 15
f = -4 + 15

Combine like terms: -4 + 15 = 11
f = 11

Simplifying
f = 11

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