A two digit number is 1 less than twice the number obtained after reversing the digits.
Form a linear equation in two variables for the given situation and express it in standard form.

Asked by dbijraj.saikia | 20th Aug, 2020, 07:39: PM

Expert Answer:

Let x and y be the digits at ten's and one's place respectively
So, the number is 10x+y
As per the condition, 
10x + y = 20y + 2x - 1
8x - 19y + 1 = 0

Answered by Renu Varma | 21st Aug, 2020, 12:15: PM