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

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

Simplifying
-3(2 + 6r) = -6 + -2r
(2 * -3 + 6r * -3) = -6 + -2r
(-6 + -18r) = -6 + -2r

Add '6' to each side of the equation.
-6 + 6 + -18r = -6 + 6 + -2r

Combine like terms: -6 + 6 = 0
0 + -18r = -6 + 6 + -2r
-18r = -6 + 6 + -2r

Combine like terms: -6 + 6 = 0
-18r = 0 + -2r
-18r = -2r

Solving
-18r = -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
-18r + 2r = -2r + 2r

Combine like terms: -18r + 2r = -16r
-16r = -2r + 2r

Combine like terms: -2r + 2r = 0
-16r = 0

Divide each side by '-16'.
r = 0

Simplifying
r = 0