X+20-x+3x=500+x+2x-800

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Solution for X+20-x+3x=500+x+2x-800 equation: 


Simplifying
X + 20 + -1x + 3x = 500 + x + 2x + -800

Reorder the terms:
20 + X + -1x + 3x = 500 + x + 2x + -800

Combine like terms: -1x + 3x = 2x
20 + X + 2x = 500 + x + 2x + -800

Reorder the terms:
20 + X + 2x = 500 + -800 + x + 2x

Combine like terms: 500 + -800 = -300
20 + X + 2x = -300 + x + 2x

Combine like terms: x + 2x = 3x
20 + X + 2x = -300 + 3x

Solving
20 + X + 2x = -300 + 3x

Solving for variable 'X'.

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

Add '-20' to each side of the equation.
20 + X + -20 + 2x = -300 + -20 + 3x

Reorder the terms:
20 + -20 + X + 2x = -300 + -20 + 3x

Combine like terms: 20 + -20 = 0
0 + X + 2x = -300 + -20 + 3x
X + 2x = -300 + -20 + 3x

Combine like terms: -300 + -20 = -320
X + 2x = -320 + 3x

Add '-2x' to each side of the equation.
X + 2x + -2x = -320 + 3x + -2x

Combine like terms: 2x + -2x = 0
X + 0 = -320 + 3x + -2x
X = -320 + 3x + -2x

Combine like terms: 3x + -2x = 1x
X = -320 + 1x

Simplifying
X = -320 + 1x

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