If p is the sum of m and n, then which one of the following must equal m – n ? Choose the correct choice.
A) p+2n
B) p/2
C) p+y
D) p-y
E) p-2n
Given p= m+n if you subtracts both side with -2n   p-2n = m-n   Answer : p-2n
<result>E</result>
If p is the sum of m and n, then which one of the following must equal m – n ?