3f+9f=60

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Solution for 3f+9f=60 equation: 


Simplifying
3f + 9f = 60

Combine like terms: 3f + 9f = 12f
12f = 60

Solving
12f = 60

Solving for variable 'f'.

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

Divide each side by '12'.
f = 5

Simplifying
f = 5

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