-5r+8r=15

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Solution for -5r+8r=15 equation: 


Simplifying
-5r + 8r = 15

Combine like terms: -5r + 8r = 3r
3r = 15

Solving
3r = 15

Solving for variable 'r'.

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

Divide each side by '3'.
r = 5

Simplifying
r = 5

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