9(3f-9)=

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Solution for 9(3f-9)= equation: 


Simplifying
9(3f + -9) = 0

Reorder the terms:
9(-9 + 3f) = 0
(-9 * 9 + 3f * 9) = 0
(-81 + 27f) = 0

Solving
-81 + 27f = 0

Solving for variable 'f'.

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

Add '81' to each side of the equation.
-81 + 81 + 27f = 0 + 81

Combine like terms: -81 + 81 = 0
0 + 27f = 0 + 81
27f = 0 + 81

Combine like terms: 0 + 81 = 81
27f = 81

Divide each side by '27'.
f = 3

Simplifying
f = 3

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