# algebra

posted by
**ashley** on
.

I do not know how to solve the following

systems of linear equations in 3 variables

1) x-2y+z=7

2) 2x+y-3z=-1

3) x-4y+3z=13

posted by
**ashley** on
.

I do not know how to solve the following

systems of linear equations in 3 variables

1) x-2y+z=7

2) 2x+y-3z=-1

3) x-4y+3z=13