2(X-6)+X-6+X=54

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Solution for 2(X-6)+X-6+X=54 equation: 


Simplifying
2(X + -6) + X + -6 + X = 54

Reorder the terms:
2(-6 + X) + X + -6 + X = 54
(-6 * 2 + X * 2) + X + -6 + X = 54
(-12 + 2X) + X + -6 + X = 54

Reorder the terms:
-12 + -6 + 2X + X + X = 54

Combine like terms: -12 + -6 = -18
-18 + 2X + X + X = 54

Combine like terms: 2X + X = 3X
-18 + 3X + X = 54

Combine like terms: 3X + X = 4X
-18 + 4X = 54

Solving
-18 + 4X = 54

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 + 4X = 54 + 18

Combine like terms: -18 + 18 = 0
0 + 4X = 54 + 18
4X = 54 + 18

Combine like terms: 54 + 18 = 72
4X = 72

Divide each side by '4'.
X = 18

Simplifying
X = 18

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