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motikmotik
3 years ago
11

The tens digit of a two-digit number is 3 less than the units digit. Find the original number, if the sum of that number and the

number reversed is 143.
Mathematics
2 answers:
vlada-n [284]3 years ago
7 0

Let...

x=ones digit

x-3=tens digit

The number in terms of x would be...

10(x-3)+x = 11x-30

The number with its digits reversed would be...

10(x)+x-3 = 11x-3

And...

11x-30+11x-3=143     We can solve for x!

22x=176

x=8

The number would be 58.

answer: 58

cricket20 [7]3 years ago
4 0

Answer:

58

Step-by-step explanation:

8-5=3

58+85=143

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