1.	An equation that is true for every value of the variable is called a(n) ______.
		A.	equivalency	B.	representation
		C.	empty set	D.	identity
		Hint
	2.	Solve the equation y = -3y + 4.
		A.	y = -2	B.	identity
		C.	y = 16	D.	y = 1
		Hint
	3.	Solve the equation b + 3 = b.
		A.	b = -9	B.	b = -1
		C.	no solution	D.	b = 5
		Hint
	4.	Solve the equation 4 – x = -x + 6.
		A.	no solution	B.	x = 3
		C.	x = -5	D.	x = 10
		Hint
	5.	Solve the equation y + 2 – 3y = 3 – 2y – 1.
		A.	no solution	B.	y = -1
		C.	identity	D.	y = 1
		Hint