the sum of two digit number is 9 if the digits of the number are reversed the new number is decreased by 9 find the number.??
Answers
Answered by
1
Answer:
8 answer qwertyuiopqwertyuiop
Answered by
0
Answer:
54
Step-by-step explanation:
Let's take the two digits as x and y
x + y = 9 ------------------(1)
xy =10x+y
10y + x= 10x+y-9
9y-9x=-9
y-x= -1 -------------------(2)
(1)+(2)
2y=8
y=4
x=5
the number is 10x+y=54
Similar questions