-6(-5+2r)=66

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Solution for -6(-5+2r)=66 equation: 


Simplifying
-6(-5 + 2r) = 66
(-5 * -6 + 2r * -6) = 66
(30 + -12r) = 66

Solving
30 + -12r = 66

Solving for variable 'r'.

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

Add '-30' to each side of the equation.
30 + -30 + -12r = 66 + -30

Combine like terms: 30 + -30 = 0
0 + -12r = 66 + -30
-12r = 66 + -30

Combine like terms: 66 + -30 = 36
-12r = 36

Divide each side by '-12'.
r = -3

Simplifying
r = -3

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