Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 9 Answered

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 | 20 Aug, 2020, 07:39: PM
answered-by-expert 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=2(10y+x)-1
10x + y = 20y + 2x - 1
8x - 19y + 1 = 0
Answered by Renu Varma | 21 Aug, 2020, 12:15: PM

Concept Videos

CBSE 9 - Maths
Asked by sknikita97 | 24 Feb, 2024, 08:30: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by guntursowmya57 | 16 Mar, 2021, 07:39: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by swatipuspapatel | 08 Feb, 2021, 06:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×