X+2y+z=-11

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Solution for X+2y+z=-11 equation: 


Simplifying
X + 2y + z = -11

Solving
X + 2y + z = -11

Solving for variable 'X'.

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

Add '-2y' to each side of the equation.
X + 2y + -2y + z = -11 + -2y

Combine like terms: 2y + -2y = 0
X + 0 + z = -11 + -2y
X + z = -11 + -2y

Add '-1z' to each side of the equation.
X + z + -1z = -11 + -2y + -1z

Combine like terms: z + -1z = 0
X + 0 = -11 + -2y + -1z
X = -11 + -2y + -1z

Simplifying
X = -11 + -2y + -1z

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