-6(x+2x+1)=0

Solution for -6(x+2x+1)=0 equation:

Simplifying
-6(x + 2x + 1) = 0

Reorder the terms:
-6(1 + x + 2x) = 0

Combine like terms: x + 2x = 3x
-6(1 + 3x) = 0
(1 * -6 + 3x * -6) = 0
(-6 + -18x) = 0

Solving
-6 + -18x = 0

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + -18x = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -18x = 0 + 6
-18x = 0 + 6

Combine like terms: 0 + 6 = 6
-18x = 6

Divide each side by '-18'.
x = -0.3333333333

Simplifying
x = -0.3333333333