2X+3X+X=18

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Solution for 2X+3X+X=18 equation: 


Simplifying
2X + 3X + X = 18

Combine like terms: 2X + 3X = 5X
5X + X = 18

Combine like terms: 5X + X = 6X
6X = 18

Solving
6X = 18

Solving for variable 'X'.

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

Divide each side by '6'.
X = 3

Simplifying
X = 3

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