Math Problem Statement
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The digits of a two-digit number differ by 3. If the digits are interchanged, and the resulting number is added to the original number, we get 143. What is the original number?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Number Theory
Formulas
Let the number be 10x + y
Digits relationship: x - y = 3
Interchanged number: 10y + x
Theorems
-
Suitable Grade Level
Grade 8
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