Question

2x y=5; 2x-y=3 by elimination method.
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Answer 1

Answer:

(i) 2x – y = 3 … (1) 3x + y = 7 … (2) Substitute x = 2 in (1) 2(2) – y = 3 4 – y = 3 -y = 3 – 4 -y = -1 ∴ Solution: x = 2; y = 1Read more on Sarthaks.com - https://www.sarthaks.com/965927/solve-by-the-method-of-elimination-i-2x-y-3-3x-y-7-ii-x-y-5-3x-2y-25-iii-x-10-y-5-14-x-8-y-6-15

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