Question

The unit digit of a two digits number is 3 and seven times the sum of the digits is the number itself. Find the number.​

Answer 1

Answer:

and seven times the sum of the digits is the number itself. The tens digit is 6 and the units digit is 3, so the number is 63.

Answer 2

Then, the numver will be 10x+3. Also, seven times the sum of the digits is the number itself. So, the given number is 63.