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On solving (7x+2y=33) and (x-2y=3), what is (y)?समीकरणों (7x+2y=33) और (x-2y=3) को हल करने पर (y) कितना होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (y=2)(y=2)
Adding both equations gives (8x=36), so (x=\frac{9}{2}). Then (x-2y=3) gives (y=\frac{3}{4}).दोनों समीकरण जोड़ने पर (8x=36), इसलिए (x=\frac{9}{2})। फिर (x-2y=3) से (y=\frac{3}{4}) आता है।
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