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What is the solution of (4x+y=18) and (4x-y=10) by elimination?विलोपन विधि से (4x+y=18) और (4x-y=10) का हल क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ( (3,6) )( (3,6) )
Adding gives (8x=28), so (x=\frac{7}{2}), which is not among the options. Check calculations carefully.जोड़ने पर (8x=28)? नहीं, सही जोड़ (8x=28) देता है इसलिए (x=\frac{7}{2}), यह विकल्पों में नहीं है। सावधानी से जाँचें।
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