3f+2+9=13+5f

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Solution for 3f+2+9=13+5f equation:


Simplifying
3f + 2 + 9 = 13 + 5f

Reorder the terms:
2 + 9 + 3f = 13 + 5f

Combine like terms: 2 + 9 = 11
11 + 3f = 13 + 5f

Solving
11 + 3f = 13 + 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.
11 + 3f + -5f = 13 + 5f + -5f

Combine like terms: 3f + -5f = -2f
11 + -2f = 13 + 5f + -5f

Combine like terms: 5f + -5f = 0
11 + -2f = 13 + 0
11 + -2f = 13

Add '-11' to each side of the equation.
11 + -11 + -2f = 13 + -11

Combine like terms: 11 + -11 = 0
0 + -2f = 13 + -11
-2f = 13 + -11

Combine like terms: 13 + -11 = 2
-2f = 2

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

Simplifying
f = -1

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