X+3X+4X=320

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Solution for X+3X+4X=320 equation: 


Simplifying
X + 3X + 4X = 320

Combine like terms: X + 3X = 4X
4X + 4X = 320

Combine like terms: 4X + 4X = 8X
8X = 320

Solving
8X = 320

Solving for variable 'X'.

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

Divide each side by '8'.
X = 40

Simplifying
X = 40

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