X+4x+9x=84

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Solution for X+4x+9x=84 equation: 


Simplifying
X + 4x + 9x = 84

Combine like terms: 4x + 9x = 13x
X + 13x = 84

Solving
X + 13x = 84

Solving for variable 'X'.

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

Add '-13x' to each side of the equation.
X + 13x + -13x = 84 + -13x

Combine like terms: 13x + -13x = 0
X + 0 = 84 + -13x
X = 84 + -13x

Simplifying
X = 84 + -13x

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