-6+3(-2r-3)=

Solution for -6+3(-2r-3)= equation:

Simplifying
-6 + 3(-2r + -3) = 0

Reorder the terms:
-6 + 3(-3 + -2r) = 0
-6 + (-3 * 3 + -2r * 3) = 0
-6 + (-9 + -6r) = 0

Combine like terms: -6 + -9 = -15
-15 + -6r = 0

Solving
-15 + -6r = 0

Solving for variable 'r'.

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

Add '15' to each side of the equation.
-15 + 15 + -6r = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -6r = 0 + 15
-6r = 0 + 15

Combine like terms: 0 + 15 = 15
-6r = 15

Divide each side by '-6'.
r = -2.5

Simplifying
r = -2.5