3(x+(x+2))=-342

Solution for 3(x+(x+2))=-342 equation:

Simplifying
3(x + (x + 2)) = -342

Reorder the terms:
3(x + (2 + x)) = -342

Remove parenthesis around (2 + x)
3(x + 2 + x) = -342

Reorder the terms:
3(2 + x + x) = -342

Combine like terms: x + x = 2x
3(2 + 2x) = -342
(2 * 3 + 2x * 3) = -342
(6 + 6x) = -342

Solving
6 + 6x = -342

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 + 6x = -342 + -6

Combine like terms: 6 + -6 = 0
0 + 6x = -342 + -6
6x = -342 + -6

Combine like terms: -342 + -6 = -348
6x = -348

Divide each side by '6'.
x = -58

Simplifying
x = -58