3(f+12)+9=5f

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Solution for 3(f+12)+9=5f equation:


Simplifying
3(f + 12) + 9 = 5f

Reorder the terms:
3(12 + f) + 9 = 5f
(12 * 3 + f * 3) + 9 = 5f
(36 + 3f) + 9 = 5f

Reorder the terms:
36 + 9 + 3f = 5f

Combine like terms: 36 + 9 = 45
45 + 3f = 5f

Solving
45 + 3f = 5f

Solving for variable 'f'.

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

Add '-5f' to each side of the equation.
45 + 3f + -5f = 5f + -5f

Combine like terms: 3f + -5f = -2f
45 + -2f = 5f + -5f

Combine like terms: 5f + -5f = 0
45 + -2f = 0

Add '-45' to each side of the equation.
45 + -45 + -2f = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -2f = 0 + -45
-2f = 0 + -45

Combine like terms: 0 + -45 = -45
-2f = -45

Divide each side by '-2'.
f = 22.5

Simplifying
f = 22.5

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