Subject of Formula Study App | Class 7 Math Quiz e-Book PDF
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Class 7 Math MCQs – Certification Test 80

Subject of Formula Quiz (Question 80) – Study App & e-Book Download

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MCQ 80: If c + 7 = x²⁄3, making x the subject of formula we get:

  1. x = √(3c + 21)
  2. x = 3c + 21
  3. x = 12 - 3c
  4. x = 21c + 3

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