2r+-r=

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Solution for 2r+-r= equation: 


Simplifying
2r + -1r = 0

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

Solving
1r = 0

Solving for variable 'r'.

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

Divide each side by '1'.
r = 0

Simplifying
r = 0

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