function P2_03A
clear, clc, format short g, format compact
A=[0	0	1	0	1
0	3	-2	-2	0
2	0	-.27	-1	-2
0	1	-.25	0	0
1.5	0	0	0	-1];
b=[1
-2
-1
0
0];
x=inv(A)*b