The cover lines represent the chapter’s opening equations x + y = 7 and x − y = 1. Solving them simultaneously by addition gives 2x = 8, so x = 4 and y = 3, intersecting at (4, 3).
Class 9 Maths (Ganita Manjari part two) Chapter 13 questions answer
Class 9 Maths (Ganita Manjari part two) Two Variables, One Line Question Answer
The cover illustration depicts two linear intersecting paths corresponding to the equations x + y = 7 and x − y = 1. Adding both equations eliminates y, resulting in 2x = 8, which gives x = 4. Substituting x = 4 into x + y = 7 yields y = 3. Therefore, the two lines intersect at the coordinates (4, 3).
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