3r-2r=12

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Solution for 3r-2r=12 equation: 


Simplifying
3r + -2r = 12

Combine like terms: 3r + -2r = 1r
1r = 12

Solving
1r = 12

Solving for variable 'r'.

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

Divide each side by '1'.
r = 12

Simplifying
r = 12

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