kn+4f=9

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Solution for kn+4f=9 equation: 


Simplifying
kn + 4f = 9

Reorder the terms:
4f + kn = 9

Solving
4f + kn = 9

Solving for variable 'f'.

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

Add '-1kn' to each side of the equation.
4f + kn + -1kn = 9 + -1kn

Combine like terms: kn + -1kn = 0
4f + 0 = 9 + -1kn
4f = 9 + -1kn

Divide each side by '4'.
f = 2.25 + -0.25kn

Simplifying
f = 2.25 + -0.25kn

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