X+3x+12x=320

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Solution for X+3x+12x=320 equation: 


Simplifying
X + 3x + 12x = 320

Combine like terms: 3x + 12x = 15x
X + 15x = 320

Solving
X + 15x = 320

Solving for variable 'X'.

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

Add '-15x' to each side of the equation.
X + 15x + -15x = 320 + -15x

Combine like terms: 15x + -15x = 0
X + 0 = 320 + -15x
X = 320 + -15x

Simplifying
X = 320 + -15x

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