4F=40-F

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Solution for 4F=40-F equation: 


Simplifying
4F = 40 + -1F

Solving
4F = 40 + -1F

Solving for variable 'F'.

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

Add 'F' to each side of the equation.
4F + F = 40 + -1F + F

Combine like terms: 4F + F = 5F
5F = 40 + -1F + F

Combine like terms: -1F + F = 0
5F = 40 + 0
5F = 40

Divide each side by '5'.
F = 8

Simplifying
F = 8

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