2(3r+8)-12=

Solution for 2(3r+8)-12= equation:

Simplifying
2(3r + 8) + -12 = 0

Reorder the terms:
2(8 + 3r) + -12 = 0
(8 * 2 + 3r * 2) + -12 = 0
(16 + 6r) + -12 = 0

Reorder the terms:
16 + -12 + 6r = 0

Combine like terms: 16 + -12 = 4
4 + 6r = 0

Solving
4 + 6r = 0

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 6r = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 6r = 0 + -4
6r = 0 + -4

Combine like terms: 0 + -4 = -4
6r = -4

Divide each side by '6'.
r = -0.6666666667

Simplifying
r = -0.6666666667