The partially completed table below shows the ten basic solutions to the following e-system.

x1	+x2	+s1			=29
2x1	+x2		+s2		=32
3x1	+x2			+s3	=45

In basic solution

(E),

which variables are basic?

	x1	x2	s1	s2	s3
(A)	0	0	29	32	45
(B)	0	29	0	3	16
(C)	0	32	3	0	13
(D)	0	45	16	13	0
(E)	29	0	0	26	42
(F)	16	0	13	0	3
(G)		0			0
(H)			0	0
(I)			0		0
(J)				0

The basic variable(s) in basic solution

(E)

is/are

enter your response here.

(Use a comma to separate answers as needed.)