1.	Find a solution to the equation using backtracking.
		A.	a = –2	B.	a = 2
		C.	a = 5	D.	a = 3
		Hint
	2.	Find a solution to the equation using backtracking.
		A.	n = 10	B.	n = –12
		C.	n = –89	D.	n = –100
		Hint
	3.	Find a solution to the equation by doing the same thing to both sides. 8p + 14 = 2p – 22
		A.	p = 6	B.	p = –6
		C.	p = –1	D.	p = 1
		Hint
	4.	The sum of three consecutive even numbers is 54. Find the three numbers.
		A.	16, 18, 20	B.	15, 16, 17
		C.	18, 19, 20	D.	16, 17, 18
		Hint
	5.	John and Margaret have both ridden on the roller coaster called The Scream. Margaret has ridden it eight more than three times the number than John has. She also has ridden it five times the number John has. How many times has John ridden The Scream?
		A.	20	B.	6
		C.	4	D.	3
		Hint