1.	Which equation does the model represent?
		A.	x + (-5) = 1	B.	x + 5 = 1
		C.	x + (-5) = -1	D.	x + 5 = -1
		Hint
	2.	Solve the equation 14 = 7 + x.
		A.	2	B.	7
		C.	-7	D.	-21
		Hint
	3.	Which equation does the model represent?
		A.	x + 2 = 3	B.	x + (-2) = -3
		C.	x + 3 = 2	D.	x + (-3) = -2
		Hint
	4.	Solve the equation x + 8 = 4.
		A.	xv = -12	B.	x = 4
		C.	x = 12	D.	x = -4
		Hint
	5.	Carmen and her friend Marva have a total of 15 pets. If Marva has 12 pets, how many pets does Carmen have?
		A.	27	B.	3
		C.	31	D.	5
		Hint