2r+r=80

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Solution for 2r+r=80 equation: 


Simplifying
2r + r = 80

Combine like terms: 2r + r = 3r
3r = 80

Solving
3r = 80

Solving for variable 'r'.

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

Divide each side by '3'.
r = 26.66666667

Simplifying
r = 26.66666667

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