9f+3f=-18

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Solution for 9f+3f=-18 equation: 


Simplifying
9f + 3f = -18

Combine like terms: 9f + 3f = 12f
12f = -18

Solving
12f = -18

Solving for variable 'f'.

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

Divide each side by '12'.
f = -1.5

Simplifying
f = -1.5

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