x+(2x-6)+(x+6)=64

Solution for x+(2x-6)+(x+6)=64 equation:

Simplifying
x + (2x + -6) + (x + 6) = 64

Reorder the terms:
x + (-6 + 2x) + (x + 6) = 64

Remove parenthesis around (-6 + 2x)
x + -6 + 2x + (x + 6) = 64

Reorder the terms:
x + -6 + 2x + (6 + x) = 64

Remove parenthesis around (6 + x)
x + -6 + 2x + 6 + x = 64

Reorder the terms:
-6 + 6 + x + 2x + x = 64

Combine like terms: -6 + 6 = 0
0 + x + 2x + x = 64
x + 2x + x = 64

Combine like terms: x + 2x = 3x
3x + x = 64

Combine like terms: 3x + x = 4x
4x = 64

Solving
4x = 64

Solving for variable 'x'.

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

Divide each side by '4'.
x = 16

Simplifying
x = 16