Question

A two digit number and the number with digit interchanged add up to 187. In the given number the digit in unit place is 1 more than the digit in tens place. Find the original two digit number.​

Answer 1

Answer:

The original number is 89

Step-by-step explanation:

$1 + x = y$

$10x + y + 10y + x = 187$

Put the value of 1st equation in 2nd equation