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CHAPTER AT A GLANCE
Pair of Linear Equations in Two Variables
•Unit: Algebra
•Board weightage: Algebra is about 20 marks out of 80 in total; this chapter usually gives one 3-mark or 5-mark question and some short questions (please check the latest sample paper)
•Methods: graphical, substitution and elimination
•Key idea: the conditions for intersecting, parallel and coincident lines
•Time to revise: about 50 minutes
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