A number is doubled and 9 is added. If resultant is trebled, it becomes 69. What is that number
Choose the correct choice from the following choices:
A) 7 B) 10 C) 12 D) 14 E) 15
Explanation:   =&gt; 3(2x+9) = 69   =&gt; 2x+9 = 23   =&gt; x = 7   7nswer: Option 7
<result>A</result>
A number is doubled and 9 is added. If resultant is trebled, it becomes 69. What is that number