A number is doubled and 9 is added. If the resultant is trebled, it beomes 75. What is that number?
A number is doubled and 9 is added. If the resultant is trebled, it beomes 75. What is that number? Correct Answer 8
ধরি, সংখ্যাটি x ( 2x + 9) × 3 = 75 2x + 9 = 25 2x = 16 x = 8