X+3x=

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Solution for X+3x= equation: 


Simplifying
X + 3x = 0

Solving
X + 3x = 0

Solving for variable 'X'.

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

Add '-3x' to each side of the equation.
X + 3x + -3x = 0 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 0 + -3x
X = 0 + -3x
Remove the zero:
X = -3x

Simplifying
X = -3x

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