-2r+2r=-2r+12

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Solution for -2r+2r=-2r+12 equation: 


Simplifying
-2r + 2r = -2r + 12

Combine like terms: -2r + 2r = 0
0 = -2r + 12

Reorder the terms:
0 = 12 + -2r

Solving
0 = 12 + -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.
0 + 2r = 12 + -2r + 2r
Remove the zero:
2r = 12 + -2r + 2r

Combine like terms: -2r + 2r = 0
2r = 12 + 0
2r = 12

Divide each side by '2'.
r = 6

Simplifying
r = 6

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