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