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