If b + xy = b and x is not equal to 0, which of the following must be true?
Options:
A) y=b
B) y=0
C) x=y
D) x<y
E) x+y=0
b + xy = b --&gt; xy=0. Since x is not equal to 0, thus y = 0.   Answer:   y=0
<result>B</result>
If b + xy = b and x is not equal to 0, which of the following must be true?