3(2x + 6)=
Simplifying
3(2x + 6) = 0
Reorder the terms:
3(6 + 2x) = 0
(6 * 3 + 2x * 3) = 0
(18 + 6x) = 0
Solving
18 + 6x = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-18' to each side of the equation.
18 + -18 + 6x = 0 + -18
Combine like terms: 18 + -18 = 0
0 + 6x = 0 + -18
6x = 0 + -18
Combine like terms: 0 + -18 = -18
6x = -18
Divide each side by '6'.
x = -3
Simplifying
x = -3