X+3y-z=-1

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Solution for X+3y-z=-1 equation:


Simplifying
X + 3y + -1z = -1

Solving
X + 3y + -1z = -1

Solving for variable 'X'.

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

Add '-3y' to each side of the equation.
X + 3y + -3y + -1z = -1 + -3y

Combine like terms: 3y + -3y = 0
X + 0 + -1z = -1 + -3y
X + -1z = -1 + -3y

Add 'z' to each side of the equation.
X + -1z + z = -1 + -3y + z

Combine like terms: -1z + z = 0
X + 0 = -1 + -3y + z
X = -1 + -3y + z

Simplifying
X = -1 + -3y + z

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