Question
Asked Jan 16, 2020
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The sum of the digits of a 2 digit number is 9. If the digits are reversed, the new number is 9 less than 3 times the original number. Find the original number.

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Expert Answer

Step 1

Let the unit digit be x and tens digit be y.

Step 2

Given that the sum of the digits of a 2 digit number is 9, that is 

Algebra homework question answer, step 2, image 1
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Step 3

Also given that,  If the digits are reversed, the new num...

Algebra homework question answer, step 3, image 1
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