2r-r=r+2r

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


Simplifying
2r + -1r = r + 2r

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

Combine like terms: r + 2r = 3r
1r = 3r

Solving
1r = 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
1r + -3r = 3r + -3r

Combine like terms: 1r + -3r = -2r
-2r = 3r + -3r

Combine like terms: 3r + -3r = 0
-2r = 0

Divide each side by '-2'.
r = 0

Simplifying
r = 0

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