-18+f=-15

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Solution for -18+f=-15 equation: 


Simplifying
-18 + f = -15

Solving
-18 + f = -15

Solving for variable 'f'.

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

Add '18' to each side of the equation.
-18 + 18 + f = -15 + 18

Combine like terms: -18 + 18 = 0
0 + f = -15 + 18
f = -15 + 18

Combine like terms: -15 + 18 = 3
f = 3

Simplifying
f = 3

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