x+(x-2)+(x-4)=-72

Solution for x+(x-2)+(x-4)=-72 equation:

Simplifying
x + (x + -2) + (x + -4) = -72

Reorder the terms:
x + (-2 + x) + (x + -4) = -72

Remove parenthesis around (-2 + x)
x + -2 + x + (x + -4) = -72

Reorder the terms:
x + -2 + x + (-4 + x) = -72

Remove parenthesis around (-4 + x)
x + -2 + x + -4 + x = -72

Reorder the terms:
-2 + -4 + x + x + x = -72

Combine like terms: -2 + -4 = -6
-6 + x + x + x = -72

Combine like terms: x + x = 2x
-6 + 2x + x = -72

Combine like terms: 2x + x = 3x
-6 + 3x = -72

Solving
-6 + 3x = -72

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 + 3x = -72 + 6

Combine like terms: -6 + 6 = 0
0 + 3x = -72 + 6
3x = -72 + 6

Combine like terms: -72 + 6 = -66
3x = -66

Divide each side by '3'.
x = -22

Simplifying
x = -22