Consider3x + 3y + 3z=- 3k4y + 8z= -4x + 4y +7z = 4ka) Using Gaussian elimination method find all value(s) of k such that

Consider3x + 3y + 3z=- 3k²4y + 8z= -4x + 4y +7z = 4ka) Using Gaussian elimination method find all value(s) of k such that the system becomes consistent.b) Using part (a), write down the solution(s) of the system if k = -1.