r-r+5r-2r=9

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


Simplifying
r + -1r + 5r + -2r = 9

Combine like terms: r + -1r = 0
0 + 5r + -2r = 9
5r + -2r = 9

Combine like terms: 5r + -2r = 3r
3r = 9

Solving
3r = 9

Solving for variable 'r'.

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

Divide each side by '3'.
r = 3

Simplifying
r = 3

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