13+f-8f=125

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Solution for 13+f-8f=125 equation: 


Simplifying
13 + f + -8f = 125

Combine like terms: f + -8f = -7f
13 + -7f = 125

Solving
13 + -7f = 125

Solving for variable 'f'.

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

Add '-13' to each side of the equation.
13 + -13 + -7f = 125 + -13

Combine like terms: 13 + -13 = 0
0 + -7f = 125 + -13
-7f = 125 + -13

Combine like terms: 125 + -13 = 112
-7f = 112

Divide each side by '-7'.
f = -16

Simplifying
f = -16

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