3-2r-3r=-12

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Solution for 3-2r-3r=-12 equation: 


Simplifying
3 + -2r + -3r = -12

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

Solving
3 + -5r = -12

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + -5r = -12 + -3

Combine like terms: 3 + -3 = 0
0 + -5r = -12 + -3
-5r = -12 + -3

Combine like terms: -12 + -3 = -15
-5r = -15

Divide each side by '-5'.
r = 3

Simplifying
r = 3

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