x-y-2z=-4

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Solution for x-y-2z=-4 equation:


Simplifying
x + -1y + -2z = -4

Solving
x + -1y + -2z = -4

Solving for variable 'x'.

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

Add 'y' to each side of the equation.
x + -1y + y + -2z = -4 + y

Combine like terms: -1y + y = 0
x + 0 + -2z = -4 + y
x + -2z = -4 + y

Add '2z' to each side of the equation.
x + -2z + 2z = -4 + y + 2z

Combine like terms: -2z + 2z = 0
x + 0 = -4 + y + 2z
x = -4 + y + 2z

Simplifying
x = -4 + y + 2z

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