# Math

posted by
**Sally**
.

Use the echelon method to solve the system:

x + 3y + 4z = 14

2x – 3y +2z = 10

3x – 9y + z = 9

posted by
**Sally**
.

Use the echelon method to solve the system:

x + 3y + 4z = 14

2x – 3y +2z = 10

3x – 9y + z = 9