# Posts by tikenya

Total # Posts: 1

**algebra 2**

how do u solve a system of linear equations in three variables? for example this problem Ex.1 2x-2y+z=3 5y-z=-31 x+3y+2z=-21

Total # Posts: 1

**algebra 2**

how do u solve a system of linear equations in three variables? for example this problem Ex.1 2x-2y+z=3 5y-z=-31 x+3y+2z=-21