In the next two problems, the matrix given represents a system of three equations in the variables r, y, and z, and row reduction has already been completed. Give the solution for each. 1 -9 22 1 -16...

Please help me with this math homework question. I really can not figure this out.

Extracted text: In the next two problems, the matrix given represents a system of three equations in the variables r, y, and z, and row reduction has already been completed. Give the solution for each. 1 -9 22 1 -16 (A) { -9y – 22z – 16 are arbitrary(free) { 9y + 22х— 16 are arbitrary(free) (B) Y, z y, z 9y + 22 (C) -16 (D) 22 %3D is arbitrary(free) -16 -9z + 22 (E) no solution (F) 16z + 22 %3D is arbitrary(free) 9у — 22 9z + 22 (G) -16 (H) -16z + 22 %3D is arbitrary(free) is arbitrary(free) I |