Question

A number of consists of two digits whose sum is 8 if 18 is added to the number its digits are reserved find the number

Answer 1

Hey , here is your answer friend ⤵⤵

Let the digit at ones place be X
Let the digit at tens place be Y

X+Y = 8

X+10Y + 18 = 10X + Y

-9X +9 Y +18=0

-9(X- Y-2)=0

X-Y=2
X+Y=8

2X=10

X=5

5-Y=2

Y=3


Hope it helps you ✌✌

Hence the number formed is 35