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Exercise 3.4 | Pair of linear equations in two variables | Elimination method | 10 th Mathematics
Автор: Morning Maths
Загружено: 2020-09-30
Просмотров: 57
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In this video you can learn how to frame equations based on situations and how to solve that by elimination method.The question is "The sum of the digits of a two-digit number is 9. Also, nine times this number is twice the number obtained by reversing the order of the digits. Find the number."
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