F+4f=15

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Solution for F+4f=15 equation: 


Simplifying
F + 4f = 15

Solving
F + 4f = 15

Solving for variable 'F'.

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

Add '-4f' to each side of the equation.
F + 4f + -4f = 15 + -4f

Combine like terms: 4f + -4f = 0
F + 0 = 15 + -4f
F = 15 + -4f

Simplifying
F = 15 + -4f

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