# Matrices

posted by
**Zinnia**
.

Gaussian row elimination method:

(i) x+3y+z=4

x-2y-2z=3

2x+y-z=9

(ii) x+2z+y=0

2x+y+z=6

3x+3y+2z=14

posted by
**Zinnia**
.

Gaussian row elimination method:

(i) x+3y+z=4

x-2y-2z=3

2x+y-z=9

(ii) x+2z+y=0

2x+y+z=6

3x+3y+2z=14