X+x+x+y+y-z+z-z=

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Solution for X+x+x+y+y-z+z-z= equation: 


Simplifying
X + x + x + y + y + -1z + z + -1z = 0

Combine like terms: x + x = 2x
X + 2x + y + y + -1z + z + -1z = 0

Combine like terms: y + y = 2y
X + 2x + 2y + -1z + z + -1z = 0

Combine like terms: -1z + z = 0
X + 2x + 2y + 0 + -1z = 0
X + 2x + 2y + -1z = 0

Solving
X + 2x + 2y + -1z = 0

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 + 2y + -2x + -1z = 0 + -2x

Reorder the terms:
X + 2x + -2x + 2y + -1z = 0 + -2x

Combine like terms: 2x + -2x = 0
X + 0 + 2y + -1z = 0 + -2x
X + 2y + -1z = 0 + -2x
Remove the zero:
X + 2y + -1z = -2x

Add '-2y' to each side of the equation.
X + 2y + -2y + -1z = -2x + -2y

Combine like terms: 2y + -2y = 0
X + 0 + -1z = -2x + -2y
X + -1z = -2x + -2y

Add 'z' to each side of the equation.
X + -1z + z = -2x + -2y + z

Combine like terms: -1z + z = 0
X + 0 = -2x + -2y + z
X = -2x + -2y + z

Simplifying
X = -2x + -2y + z

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