The 2 digit no. sum is 8 . If 18 is subtracted from this no. which is formed by interchanging the digits find the no.
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Answer:
a=5,b=3
the original number is 53
Step-by-step explanation:
10a+b IS THE ORIGINAL NUMBER
a+b=8
10a+b-18=10b+a
a+b=8
a=8-b
10(8-b)+b-18=10b+8-b
80-10b+b-18=9b+8
62-9b=9b+8
18b=54
b=54/18
b=3
a=8-b
a=8-3
a=5
the original number is 53
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