# math

posted by
**Tammy**
.

trying to solve linear equations problem is: x-y-2z=4; -x+2y+z=1, -x+y-3z=11. please help me.

posted by
**Tammy**
.

trying to solve linear equations problem is: x-y-2z=4; -x+2y+z=1, -x+y-3z=11. please help me.