MCQ
Which of the following equations cannot be formed using the equation $x=7$ ?
- A$2 x+1=15$
- ✓$7 x-1=50$
- C$x-3=4$
- D$\frac{x}{7}-1=0$
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Marks (class - interval)
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No. of students
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$30-40$
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$12$
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$40-50$
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$13$
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$50-60$
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$04$
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$60-70$
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$15$
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$70-80$
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$06$
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