# Analytic Geometry

posted by
**Anonymous** on
.

Solve each equation using augmented matrices.

2x+y-2z=7

x-2y-5z=-1

4x+y+z=-1

posted by
**Anonymous** on
.

Solve each equation using augmented matrices.

2x+y-2z=7

x-2y-5z=-1

4x+y+z=-1