-2(6r+9)=

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Solution for -2(6r+9)= equation:


Simplifying
-2(6r + 9) = 0

Reorder the terms:
-2(9 + 6r) = 0
(9 * -2 + 6r * -2) = 0
(-18 + -12r) = 0

Solving
-18 + -12r = 0

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 + -12r = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -12r = 0 + 18
-12r = 0 + 18

Combine like terms: 0 + 18 = 18
-12r = 18

Divide each side by '-12'.
r = -1.5

Simplifying
r = -1.5

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