Linear Equations in Two Variables Exercise 4.2
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Q4. Find the value of k, if x = 2, y = 1 is a solution of the equation2 3 .x y k
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Q3. Check which of the following are solutions of the equation2 4x y− = and which are not:(i) (0, 2)
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Q2. Write four solutions for each of the following equations:(i)2 7x y+ =(ii)9x y + =(iii)4x y
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Q1. Which one of the following options is true, and why?y = 3x + 5 has(i) A unique solution, (ii) on
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