X+x+3x=500

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Solution for X+x+3x=500 equation: 


Simplifying
X + x + 3x = 500

Combine like terms: x + 3x = 4x
X + 4x = 500

Solving
X + 4x = 500

Solving for variable 'X'.

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

Add '-4x' to each side of the equation.
X + 4x + -4x = 500 + -4x

Combine like terms: 4x + -4x = 0
X + 0 = 500 + -4x
X = 500 + -4x

Simplifying
X = 500 + -4x

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