39-f=15

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Solution for 39-f=15 equation:


Simplifying
39 + -1f = 15

Solving
39 + -1f = 15

Solving for variable 'f'.

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

Add '-39' to each side of the equation.
39 + -39 + -1f = 15 + -39

Combine like terms: 39 + -39 = 0
0 + -1f = 15 + -39
-1f = 15 + -39

Combine like terms: 15 + -39 = -24
-1f = -24

Divide each side by '-1'.
f = 24

Simplifying
f = 24

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