-5r+8r=20

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Solution for -5r+8r=20 equation: 


Simplifying
-5r + 8r = 20

Combine like terms: -5r + 8r = 3r
3r = 20

Solving
3r = 20

Solving for variable 'r'.

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

Divide each side by '3'.
r = 6.666666667

Simplifying
r = 6.666666667

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