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chapter 7 Finding the Unknown - Part 3

Solve: 9n + 15 = 3n + 36

Type: MCQ • Marks: 1
Solve: 9n + 15 = 3n + 36
Options
A. 8
B. 7
C. -7
D. 6
Explanation
Move variable terms to one side: (9 − 3)n = 36 − (15) = 21. So n = 7.
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Class 7th Ganita Prakash 2

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