X+2x+x+2x=30

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


Simplifying
X + 2x + x + 2x = 30

Combine like terms: 2x + x = 3x
X + 3x + 2x = 30

Combine like terms: 3x + 2x = 5x
X + 5x = 30

Solving
X + 5x = 30

Solving for variable 'X'.

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

Add '-5x' to each side of the equation.
X + 5x + -5x = 30 + -5x

Combine like terms: 5x + -5x = 0
X + 0 = 30 + -5x
X = 30 + -5x

Simplifying
X = 30 + -5x

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