-6(3-6r)=-90

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Solution for -6(3-6r)=-90 equation: 


Simplifying
-6(3 + -6r) = -90
(3 * -6 + -6r * -6) = -90
(-18 + 36r) = -90

Solving
-18 + 36r = -90

Solving for variable 'r'.

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

Add '18' to each side of the equation.
-18 + 18 + 36r = -90 + 18

Combine like terms: -18 + 18 = 0
0 + 36r = -90 + 18
36r = -90 + 18

Combine like terms: -90 + 18 = -72
36r = -72

Divide each side by '36'.
r = -2

Simplifying
r = -2

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