यदि (3x+2y=28) और (5x-4y=8), तो (x-y) का मान क्या है?

If (3x+2y=28) and (5x-4y=8), what is the value of (x-y)?

Explanation opens after your attempt
Correct Answer

A. \(\frac{6}{11}\)

Step 1

Concept

Multiply the first equation by (2) and eliminate (y). \(x=\frac{64}{11}\) and \(y=\frac{58}{11}\), so \(x-y=\frac{6}{11}\).

Step 2

Why this answer is correct

The correct answer is A. \(\frac{6}{11}\). Multiply the first equation by (2) and eliminate (y). \(x=\frac{64}{11}\) and \(y=\frac{58}{11}\), so \(x-y=\frac{6}{11}\).

Step 3

Exam Tip

पहले समीकरण को (2) से गुणा कर (y) हटाएं। \(x=\frac{64}{11}\) और \(y=\frac{58}{11}\), इसलिए \(x-y=\frac{6}{11}\)।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि (3x+2y=28) और (5x-4y=8), तो (x-y) का मान क्या है? / If (3x+2y=28) and (5x-4y=8), what is the value of (x-y)?

Correct Answer: A. \(\frac{6}{11}\). Explanation: पहले समीकरण को (2) से गुणा कर (y) हटाएं। \(x=\frac{64}{11}\) और \(y=\frac{58}{11}\), इसलिए \(x-y=\frac{6}{11}\)। / Multiply the first equation by (2) and eliminate (y). \(x=\frac{64}{11}\) and \(y=\frac{58}{11}\), so \(x-y=\frac{6}{11}\).

Which concept should I revise for this Mathematics MCQ?

Multiply the first equation by (2) and eliminate (y). \(x=\frac{64}{11}\) and \(y=\frac{58}{11}\), so \(x-y=\frac{6}{11}\).

What exam hint can help solve this Mathematics question?

पहले समीकरण को (2) से गुणा कर (y) हटाएं। \(x=\frac{64}{11}\) और \(y=\frac{58}{11}\), इसलिए \(x-y=\frac{6}{11}\)।