5r-2r=-12

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Solution for 5r-2r=-12 equation: 


Simplifying
5r + -2r = -12

Combine like terms: 5r + -2r = 3r
3r = -12

Solving
3r = -12

Solving for variable 'r'.

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

Divide each side by '3'.
r = -4

Simplifying
r = -4

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