Question

Solve the following system of equations.

4x – 3y + z = –9
x + 2y + 2z = 5
x – 2y + 3z = –2

Answer 1

(1, 1, –10)

(1, 2, –7)

(–1, 2, 1)

(–1, 1, 0)

Answer 2

Set it up matrix form

Answer 3

test each of the proposed solutions on the 3 equations, or really solve it (gauss' method?)