R+R+F=47

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Solution for R+R+F=47 equation: 


Simplifying
R + R + F = 47

Reorder the terms:
F + R + R = 47

Combine like terms: R + R = 2R
F + 2R = 47

Solving
F + 2R = 47

Solving for variable 'F'.

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

Add '-2R' to each side of the equation.
F + 2R + -2R = 47 + -2R

Combine like terms: 2R + -2R = 0
F + 0 = 47 + -2R
F = 47 + -2R

Simplifying
F = 47 + -2R

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