# college algebra

posted by
**ann :)**
.

12x+4y+2z=-7 (1)

3x-12y+6z=-4 (2)

9x-16y+4z=-3 (3)

solve the system.

show steps and answers i tried this problem really difficult

posted by
**ann :)**
.

12x+4y+2z=-7 (1)

3x-12y+6z=-4 (2)

9x-16y+4z=-3 (3)

solve the system.

show steps and answers i tried this problem really difficult