Directive: Solve each problem as it is asked with showing your work. You should use MATLAB

program to graph. MATLAB is free from campus's IT in Library. You should, however,

include all steps of your coding so that it can be check.

Student's Name $($on all pages please$)$

$(50$ Points$)$ Solve the system of linear equations below by the method of elimination:

$4x+y+z=-1$

$-2x-2y+z=2$

$2x+3y-z=1$