X+x+x=20x-100

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Solution for X+x+x=20x-100 equation: 


Simplifying
X + x + x = 20x + -100

Combine like terms: x + x = 2x
X + 2x = 20x + -100

Reorder the terms:
X + 2x = -100 + 20x

Solving
X + 2x = -100 + 20x

Solving for variable 'X'.

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

Add '-2x' to each side of the equation.
X + 2x + -2x = -100 + 20x + -2x

Combine like terms: 2x + -2x = 0
X + 0 = -100 + 20x + -2x
X = -100 + 20x + -2x

Combine like terms: 20x + -2x = 18x
X = -100 + 18x

Simplifying
X = -100 + 18x

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