Amatrix			Bmatrix	OR	Amatrix	reduced		Bmatrix
3000	5000	7000	94000		3	5	7	94
35	50	60	960		7	10	12	192
1	-2	0	0		1	-2	0	0
Ainverse			Ainv*B		Ainverse			Ainv*B
-0.00067	0.077778	0.277778	12		-0.66667	0.388889	0.277778	12	:=A
-0.00033	0.038889	-0.36111	6		-0.33333	0.194444	-0.36111	6	:=B
0.000667	-0.06111	0.138889	4		0.666667	-0.30556	0.138889	4	:=C
			*					*
								*note: get same answer