3f+9f=-84

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Solution for 3f+9f=-84 equation: 


Simplifying
3f + 9f = -84

Combine like terms: 3f + 9f = 12f
12f = -84

Solving
12f = -84

Solving for variable 'f'.

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

Divide each side by '12'.
f = -7

Simplifying
f = -7

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