x-y-2z=-6

Solution for x-y-2z=-6 equation:

Simplifying
x + -1y + -2z = -6

Solving
x + -1y + -2z = -6

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 = -6 + y

Combine like terms: -1y + y = 0
x + 0 + -2z = -6 + y
x + -2z = -6 + y

Add '2z' to each side of the equation.
x + -2z + 2z = -6 + y + 2z

Combine like terms: -2z + 2z = 0
x + 0 = -6 + y + 2z
x = -6 + y + 2z

Simplifying
x = -6 + y + 2z