1.	Find a solution to the equation using backtracking.
		A.	a = 3	B.	a = 5
		C.	a = 2	D.	a = –2
		Hint
	2.	Find a solution to the equation using backtracking.
		A.	n = –100	B.	n = –12
		C.	n = –89	D.	n = 10
		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 = –1
		C.	p = 6	D.	p = 1
		Hint
	4.	The sum of three consecutive even numbers is 54. Find the three numbers.
		A.	15, 16, 17	B.	18, 19, 20
		C.	16, 17, 18	D.	16, 18, 20
		Hint
	5.	Tamara and Joanne collect stamps. Tamara has 30 less than 5 times the number of stamps that Joanne has. Tamara also has 42 more stamps than Joanne. How many stamps does Tamara have?
		A.	42	B.	18
		C.	23	D.	60
		Hint