Question

the sum of the digit of a 2-digit number is 8 on reversing the digit the number is 18 less than the original number find the number
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Answer 1

consider the attachment given above

hope it helps you ...!

Answer 2

Step-by-step explanation:

X+Y=8

10y+x=10x+y-18

y=8-x

10(8-x)+x=10x+(8-x)-18

80-10x+x=10x(8-x)-18

80-9x=9x-10

90=18x

x=5

y=8-5

y=3

10y+x

10(3)+5

30+5

35

so the original number is 35.