3(f+2)+9=13+2f

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Solution for 3(f+2)+9=13+2f equation:


Simplifying
3(f + 2) + 9 = 13 + 2f

Reorder the terms:
3(2 + f) + 9 = 13 + 2f
(2 * 3 + f * 3) + 9 = 13 + 2f
(6 + 3f) + 9 = 13 + 2f

Reorder the terms:
6 + 9 + 3f = 13 + 2f

Combine like terms: 6 + 9 = 15
15 + 3f = 13 + 2f

Solving
15 + 3f = 13 + 2f

Solving for variable 'f'.

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

Add '-2f' to each side of the equation.
15 + 3f + -2f = 13 + 2f + -2f

Combine like terms: 3f + -2f = 1f
15 + 1f = 13 + 2f + -2f

Combine like terms: 2f + -2f = 0
15 + 1f = 13 + 0
15 + 1f = 13

Add '-15' to each side of the equation.
15 + -15 + 1f = 13 + -15

Combine like terms: 15 + -15 = 0
0 + 1f = 13 + -15
1f = 13 + -15

Combine like terms: 13 + -15 = -2
1f = -2

Divide each side by '1'.
f = -2

Simplifying
f = -2

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