1.	The most efficient strategy to use in solving multi-step equations is to ______.
		A.	draw a diagram	B.	make a table
		C.	work backward	D.	guess and check
		Hint
	2.	Solve the equation 12 + 2.5x = -16.
		A.	11.2	B.	-11.2
		C.	-1.6	D.	1.6
		Hint
	3.	Find three consecutive odd integers whose sum is -45.
		A.	-21, -19, -17	B.	-17, -15, -13
		C.	13, 15, 17	D.	-16, -15, -14
		Hint
	4.	Solve the equation 2u + 3 = -1.
		A.	u = -2	B.	u = -8
		C.	u = 1	D.	u = 4
		Hint
	5.	Find three consecutive integers whose sum is 27.
		A.	10, 11, 12	B.	7, 8, 9
		C.	8, 9, 10	D.	6, 7, 8
		Hint