alleryx + y = 7 आनी x - y = 3 जोडल्यार खंयचो चड-उणें ना जाता?
Aदोनूय
Bखंयचेंच न्हय
Cवाय
Dx
Answer & Solution
Correct answer: C. वाय
समीकरणां जोडल्यार +y आनी -y पदां रद्द जातात.
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