Solve the following system of equations for all three variables.
minus, 6, x, minus, 9, y, minus, 7, z, equals, 7
−6x−9y−7z=
7
6, x, plus, 2, y, minus, z, equals, 4
6x+2y−z=
4
minus, 6, x, plus, 10, y, plus, 9, z, equals, 0
minus, 6, x, minus, 9, y, minus, 7, z, equals, 7
−6x−9y−7z=
7
6, x, plus, 2, y, minus, z, equals, 4
6x+2y−z=
4
minus, 6, x, plus, 10, y, plus, 9, z, equals, 0