1.	Solve .
		A.	5, 2	B.	2
		C.	5	D.	5, 1
		Hint
	2.	Solve .
		A.	-6	B.	4
		C.	8	D.	-10
		Hint
	3.	Solve .
		A.	2	B.	0
		C.	3	D.	1
		Hint
	4.	Solve 4.
		A.	0 x 8	B.	none of these
		C.	x 0	D.	x 8
		Hint
	5.	Solve the equation = y.
		A.	-3	B.	None is correct.
		C.	3, 9	D.	3
		Hint