X+x+2x-8=0

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Solution for X+x+2x-8=0 equation:


Simplifying
X + x + 2x + -8 = 0

Reorder the terms:
-8 + X + x + 2x = 0

Combine like terms: x + 2x = 3x
-8 + X + 3x = 0

Solving
-8 + X + 3x = 0

Solving for variable 'X'.

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

Add '8' to each side of the equation.
-8 + X + 8 + 3x = 0 + 8

Reorder the terms:
-8 + 8 + X + 3x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + X + 3x = 0 + 8
X + 3x = 0 + 8

Combine like terms: 0 + 8 = 8
X + 3x = 8

Add '-3x' to each side of the equation.
X + 3x + -3x = 8 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 8 + -3x
X = 8 + -3x

Simplifying
X = 8 + -3x

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