-6f-9f=15

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Solution for -6f-9f=15 equation: 


Simplifying
-6f + -9f = 15

Combine like terms: -6f + -9f = -15f
-15f = 15

Solving
-15f = 15

Solving for variable 'f'.

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

Divide each side by '-15'.
f = -1

Simplifying
f = -1

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