f-7-8=2

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Solution for f-7-8=2 equation: 


Simplifying
f + -7 + -8 = 2

Reorder the terms:
-7 + -8 + f = 2

Combine like terms: -7 + -8 = -15
-15 + f = 2

Solving
-15 + f = 2

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 = 2 + 15

Combine like terms: -15 + 15 = 0
0 + f = 2 + 15
f = 2 + 15

Combine like terms: 2 + 15 = 17
f = 17

Simplifying
f = 17

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