the sum of the digits of a 2-digit number is 8 and the difference between the number and that formed by reversing the digits is 18. find the numbers.
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Let no be 10x+(8-x)
Reversing no =x+10(8-x)
Equation
10x+(8-x)-[x+10(8-x)]=18
9x+8+9x-80=18
18x-72=18
18x=18+72
18x=90
X=5
Number is 53
Reversing no =x+10(8-x)
Equation
10x+(8-x)-[x+10(8-x)]=18
9x+8+9x-80=18
18x-72=18
18x=18+72
18x=90
X=5
Number is 53
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