4=f+13

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Solution for 4=f+13 equation:


Simplifying
4 = f + 13

Reorder the terms:
4 = 13 + f

Solving
4 = 13 + 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.
4 + -1f = 13 + f + -1f

Combine like terms: f + -1f = 0
4 + -1f = 13 + 0
4 + -1f = 13

Add '-4' to each side of the equation.
4 + -4 + -1f = 13 + -4

Combine like terms: 4 + -4 = 0
0 + -1f = 13 + -4
-1f = 13 + -4

Combine like terms: 13 + -4 = 9
-1f = 9

Divide each side by '-1'.
f = -9

Simplifying
f = -9

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