SOLUTION: A certain number has two digits whose sum is 14. If the digits are reversed, the number will be decreased by 18. Find the number.
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Question 807976: A certain number has two digits whose sum is 14. If the digits are reversed, the number will be decreased by 18. Find the number.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let the digits be x & y x in the ten's place
x+y=14........................(1)
10y+x=10x+y-18
9y-9x=18
/9
x-y=2..........................(2)
add (1) & (2)
2x=16
x=8
x+y=14
x=8
so y=6
the number is 86
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