If x = 3 + 5n and y = 2n - 3, then for what value of n, x is double of y (x = 2y) ?	Select:  A) 0  B) 2  C) -2  D) 9  E) -9
Explanation:   x = 2y &lt;=&gt; 3 + 5n = 2(2n - 3) &lt;=&gt; 3 + 5n = 4n - 6 &lt;=&gt; n = -9.   Answer: -9
<result>E</result>
If x = 3 + 5n and y = 2n - 3, then for what value of n, x is double of y (x = 2y) ?