-2(3-2r)=12

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


Simplifying
-2(3 + -2r) = 12
(3 * -2 + -2r * -2) = 12
(-6 + 4r) = 12

Solving
-6 + 4r = 12

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + 4r = 12 + 6

Combine like terms: -6 + 6 = 0
0 + 4r = 12 + 6
4r = 12 + 6

Combine like terms: 12 + 6 = 18
4r = 18

Divide each side by '4'.
r = 4.5

Simplifying
r = 4.5

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