3(x+6)=-42

Solution for 3(x+6)=-42 equation:

Simplifying
3(x + 6) = -42

Reorder the terms:
3(6 + x) = -42
(6 * 3 + x * 3) = -42
(18 + 3x) = -42

Solving
18 + 3x = -42

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 + 3x = -42 + -18

Combine like terms: 18 + -18 = 0
0 + 3x = -42 + -18
3x = -42 + -18

Combine like terms: -42 + -18 = -60
3x = -60

Divide each side by '3'.
x = -20

Simplifying
x = -20