X+X+(X-6)+(X-6)=276

Solution for X+X+(X-6)+(X-6)=276 equation:

Simplifying
X + X + (X + -6) + (X + -6) = 276

Reorder the terms:
X + X + (-6 + X) + (X + -6) = 276

Remove parenthesis around (-6 + X)
X + X + -6 + X + (X + -6) = 276

Reorder the terms:
X + X + -6 + X + (-6 + X) = 276

Remove parenthesis around (-6 + X)
X + X + -6 + X + -6 + X = 276

Reorder the terms:
-6 + -6 + X + X + X + X = 276

Combine like terms: -6 + -6 = -12
-12 + X + X + X + X = 276

Combine like terms: X + X = 2X
-12 + 2X + X + X = 276

Combine like terms: 2X + X = 3X
-12 + 3X + X = 276

Combine like terms: 3X + X = 4X
-12 + 4X = 276

Solving
-12 + 4X = 276

Solving for variable 'X'.

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

Add '12' to each side of the equation.
-12 + 12 + 4X = 276 + 12

Combine like terms: -12 + 12 = 0
0 + 4X = 276 + 12
4X = 276 + 12

Combine like terms: 276 + 12 = 288
4X = 288

Divide each side by '4'.
X = 72

Simplifying
X = 72