(a) Display the system of equations with coefficients a_{11}=2, a_{12}=-1, a_{13}= -3, a_{21}=-2, a_{22}=2, \text { and } a_{23}=5, and with constants b_{1}=-1 \text { and } b_{2}=3.
(b) Verify that x_{1}=1, x_{2}=0, x_{3}=1 is a solution for the system.