4f+9=f

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Solution for 4f+9=f equation:


Simplifying
4f + 9 = f

Reorder the terms:
9 + 4f = f

Solving
9 + 4f = 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.
9 + 4f + -1f = f + -1f

Combine like terms: 4f + -1f = 3f
9 + 3f = f + -1f

Combine like terms: f + -1f = 0
9 + 3f = 0

Add '-9' to each side of the equation.
9 + -9 + 3f = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 3f = 0 + -9
3f = 0 + -9

Combine like terms: 0 + -9 = -9
3f = -9

Divide each side by '3'.
f = -3

Simplifying
f = -3

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