-f+15=45

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Solution for -f+15=45 equation: 


Simplifying
-1f + 15 = 45

Reorder the terms:
15 + -1f = 45

Solving
15 + -1f = 45

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 + -1f = 45 + -15

Combine like terms: 15 + -15 = 0
0 + -1f = 45 + -15
-1f = 45 + -15

Combine like terms: 45 + -15 = 30
-1f = 30

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

Simplifying
f = -30

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