If the average (arithmetic mean) of x + 3, x + 4, and x + 5 is 0, then x =	Select:
A) –4
B) –3
C) –2
D) –1
E) 0
(x+3 + x+4 + x+5)/3 = 0   =&gt;3x + 12 = 0   =&gt;x = -4   –4nswer –4
<result>A</result>
If the average (arithmetic mean) of x + 3, x + 4, and x + 5 is 0, then x =