X+2x-x=30

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Solution for X+2x-x=30 equation: 


Simplifying
X + 2x + -1x = 30

Combine like terms: 2x + -1x = 1x
X + 1x = 30

Solving
X + 1x = 30

Solving for variable 'X'.

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

Add '-1x' to each side of the equation.
X + 1x + -1x = 30 + -1x

Combine like terms: 1x + -1x = 0
X + 0 = 30 + -1x
X = 30 + -1x

Simplifying
X = 30 + -1x

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