9+f-2=15

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Solution for 9+f-2=15 equation: 


Simplifying
9 + f + -2 = 15

Reorder the terms:
9 + -2 + f = 15

Combine like terms: 9 + -2 = 7
7 + f = 15

Solving
7 + f = 15

Solving for variable 'f'.

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

Add '-7' to each side of the equation.
7 + -7 + f = 15 + -7

Combine like terms: 7 + -7 = 0
0 + f = 15 + -7
f = 15 + -7

Combine like terms: 15 + -7 = 8
f = 8

Simplifying
f = 8

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