A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is the number?
A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is the number? Correct Answer 8
Hints: ধরি সংখ্যটি, x তাহলে, 3{2x + 9} = 75 2x + 9 = 25 2x = 25 - 9 x = 8