-r+2r=2r

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


Simplifying
-1r + 2r = 2r

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

Solving
1r = 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
1r + -2r = 2r + -2r

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

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

Divide each side by '-1'.
r = 0

Simplifying
r = 0

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