18-5f=-7

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Solution for 18-5f=-7 equation: 


Simplifying
18 + -5f = -7

Solving
18 + -5f = -7

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 + -5f = -7 + -18

Combine like terms: 18 + -18 = 0
0 + -5f = -7 + -18
-5f = -7 + -18

Combine like terms: -7 + -18 = -25
-5f = -25

Divide each side by '-5'.
f = 5

Simplifying
f = 5

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