If x+y=20, x-y=10, for integers of x and y, x=?	Pick one:
A) 15
B) 20
C) 25
D) 13
E) 42
x+y =20   x-y = 10   2x = 30   x = 15   15nswer is 15
<result>A</result>
If x+y=20, x-y=10, for integers of x and y, x=?