1.	Solve x + 4 = 7.
		A.	–3	B.	11
		C.	3	D.	–11
		Hint
	2.	Solve z + 6 = 3.
		A.	–9	B.	–3
		C.	9	D.	3
		Hint
	3.	Solve –2 + d = –4.
		A.	–2	B.	–6
		C.	2	D.	6
		Hint
	4.	Solve t + 3 = –2.
		A.	2	B.	–5
		C.	–3	D.	1
		Hint
	5.	Decide which addition equation the model represents. Then solve the equation.
		A.	y – 7 = 2; y = –5
		B.	y + 2 = –7; y = –9
		C.	y – 7 = 2; y = 9
		D.	y + 2 = –7; y = –5
		Hint