Hello, rcs!

The tens digit of a number is 3 less than the units digit.

If the number is divided by the sum of the digits, the quotient is 4 and the remainder is 3.

What is the original number?

Let = units digit.

Let = tens digit.

The original number is: .

. . where: .[1]

Then: . .[2]

Subtract [1] from [2]: .

Substitute into [1]: .

The original number is