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प्रश्न
Set up an equation in the following case:
The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be l.)
उत्तर
Let the lowest marks be l.
2 × Lowest marks + 7 = Highest marks
2 × l + 7 = 87
2 l + 7 = 87
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