R+r=42

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Solution for R+r=42 equation: 


Simplifying
R + r = 42

Solving
R + r = 42

Solving for variable 'R'.

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

Add '-1r' to each side of the equation.
R + r + -1r = 42 + -1r

Combine like terms: r + -1r = 0
R + 0 = 42 + -1r
R = 42 + -1r

Simplifying
R = 42 + -1r

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