The sum of two digit number is 12 the number obtained by interchanging it exceeds the given number by 18 find the number
Answers
Answered by
5
This is your answer ok see it
Attachments:
Answered by
4
10x + y = 12......1
10y + x = 10x + y + 18
9y -9x =18
y-x=9.........2
1 -2
10x = 3
x=3/10
y= 12 -3=9
So 10x +y = 10×3/10 +9 =12 answer
10y + x = 10x + y + 18
9y -9x =18
y-x=9.........2
1 -2
10x = 3
x=3/10
y= 12 -3=9
So 10x +y = 10×3/10 +9 =12 answer
Similar questions