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Solving the equations x − 4y = −14 and 3x + 2y = 32, what is the value of y?समीकरण x − 4y = −14 और 3x + 2y = 32 को हल करने पर y का मान क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 37/737/7
From the first equation, x = 4y − 14. Substituting into the second gives 3(4y − 14) + 2y = 32, so 14y = 74 and y = 37/7.पहले समीकरण से x = 4y − 14 मिलता है। इसे दूसरे में रखने पर 3(4y − 14) + 2y = 32, अर्थात 14y = 74। इसलिए y = 37/7।
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