-15=15+f

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Solution for -15=15+f equation:


Simplifying
-15 = 15 + f

Solving
-15 = 15 + f

Solving for variable 'f'.

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

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

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

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

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

Combine like terms: 15 + 15 = 30
-1f = 30

Divide each side by '-1'.
f = -30

Simplifying
f = -30

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