4=13-3f

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Solution for 4=13-3f equation:


Simplifying
4 = 13 + -3f

Solving
4 = 13 + -3f

Solving for variable 'f'.

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

Add '3f' to each side of the equation.
4 + 3f = 13 + -3f + 3f

Combine like terms: -3f + 3f = 0
4 + 3f = 13 + 0
4 + 3f = 13

Add '-4' to each side of the equation.
4 + -4 + 3f = 13 + -4

Combine like terms: 4 + -4 = 0
0 + 3f = 13 + -4
3f = 13 + -4

Combine like terms: 13 + -4 = 9
3f = 9

Divide each side by '3'.
f = 3

Simplifying
f = 3

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