13=f+6

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Solution for 13=f+6 equation:


Simplifying
13 = f + 6

Reorder the terms:
13 = 6 + f

Solving
13 = 6 + f

Solving for variable 'f'.

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

Add '-1f' to each side of the equation.
13 + -1f = 6 + f + -1f

Combine like terms: f + -1f = 0
13 + -1f = 6 + 0
13 + -1f = 6

Add '-13' to each side of the equation.
13 + -13 + -1f = 6 + -13

Combine like terms: 13 + -13 = 0
0 + -1f = 6 + -13
-1f = 6 + -13

Combine like terms: 6 + -13 = -7
-1f = -7

Divide each side by '-1'.
f = 7

Simplifying
f = 7

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