2r+5r-8r=9

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Solution for 2r+5r-8r=9 equation: 


Simplifying
2r + 5r + -8r = 9

Combine like terms: 2r + 5r = 7r
7r + -8r = 9

Combine like terms: 7r + -8r = -1r
-1r = 9

Solving
-1r = 9

Solving for variable 'r'.

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

Divide each side by '-1'.
r = -9

Simplifying
r = -9

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