-6+2(x+18)=0

Solution for -6+2(x+18)=0 equation:

Simplifying
-6 + 2(x + 18) = 0

Reorder the terms:
-6 + 2(18 + x) = 0
-6 + (18 * 2 + x * 2) = 0
-6 + (36 + 2x) = 0

Combine like terms: -6 + 36 = 30
30 + 2x = 0

Solving
30 + 2x = 0

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 2x = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 2x = 0 + -30
2x = 0 + -30

Combine like terms: 0 + -30 = -30
2x = -30

Divide each side by '2'.
x = -15

Simplifying
x = -15