1.	Solve 15 + a = 10.
		A.	a = -5	B.	a = 25
		C.	a = -25	D.	a = 150
		Hint
	2.	Solve
		A.	w =	B.	w =
		C.	w =	D.	w = -1
		Hint
	3.	Fifteen minus a number is thirty-two. Find the number.
		A.	17	B.	-17
		C.	47	D.	-47
		Hint
	4.	The sum of a number and -16 is 25. Find the number.
		A.		B.	9
		C.	-9	D.	41
		Hint
	5.	Solve c + 149 = 213.
		A.	c = 362	B.	c = -362
		C.	c = 64	D.	c = -64
		Hint