Question

A two – digit number is four times the sum of its digits. If 18 is added to the

number, the digits are revered. Find the reverse number.​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

42

Step-by-step explanation:

10x+y=4(x+y)

6x=3y

2x=y

again, 10x+y+18=10y+x

10x+2x+18=20x+x

x=2 and y=4

therefore 10y+x= 42