-3(f-9)=-18

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Solution for -3(f-9)=-18 equation: 


Simplifying
-3(f + -9) = -18

Reorder the terms:
-3(-9 + f) = -18
(-9 * -3 + f * -3) = -18
(27 + -3f) = -18

Solving
27 + -3f = -18

Solving for variable 'f'.

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

Add '-27' to each side of the equation.
27 + -27 + -3f = -18 + -27

Combine like terms: 27 + -27 = 0
0 + -3f = -18 + -27
-3f = -18 + -27

Combine like terms: -18 + -27 = -45
-3f = -45

Divide each side by '-3'.
f = 15

Simplifying
f = 15

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