If 4x + y = 8 and y − 3x = 7, then what is the value of x + 2y?	Choose the correct choice from the following answers:	A) 1/7	B) 3	C) 15	D) 52/7	E) 60/7
4x + y = 8   −3x + y = 7   Adding both the equations --&gt; x + 2y = 15   Answer: 15
<result>C</result>
If 4x + y = 8 and y − 3x = 7, then what is the value of x + 2y?