समीकरणों \(\frac{x+2y}{3}=8\) और \(\frac{2x-y}{5}=3\) से (x-y) का मान क्या है?

What is the value of (x-y) from \(\frac{x+2y}{3}=8\) and \(\frac{2x-y}{5}=3\)?

Explanation opens after your attempt
Correct Answer

D. \(\frac{21}{5}\)

Step 1

Concept

The equations become (x+2y=24) and (2x-y=15). The solution is \(x=\frac{54}{5},\ y=\frac{33}{5}\), so \(x-y=\frac{21}{5}\).

Step 2

Why this answer is correct

The correct answer is D. \(\frac{21}{5}\). The equations become (x+2y=24) and (2x-y=15). The solution is \(x=\frac{54}{5},\ y=\frac{33}{5}\), so \(x-y=\frac{21}{5}\).

Step 3

Exam Tip

दिए समीकरण (x+2y=24) और (2x-y=15) बनते हैं। हल \(x=\frac{54}{5},\ y=\frac{33}{5}\), इसलिए \(x-y=\frac{21}{5}\)।

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Mathematics Answer, Explanation and Revision Hints

समीकरणों \(\frac{x+2y}{3}=8\) और \(\frac{2x-y}{5}=3\) से (x-y) का मान क्या है? / What is the value of (x-y) from \(\frac{x+2y}{3}=8\) and \(\frac{2x-y}{5}=3\)?

Correct Answer: D. \(\frac{21}{5}\). Explanation: दिए समीकरण (x+2y=24) और (2x-y=15) बनते हैं। हल \(x=\frac{54}{5},\ y=\frac{33}{5}\), इसलिए \(x-y=\frac{21}{5}\)। / The equations become (x+2y=24) and (2x-y=15). The solution is \(x=\frac{54}{5},\ y=\frac{33}{5}\), so \(x-y=\frac{21}{5}\).

Which concept should I revise for this Mathematics MCQ?

The equations become (x+2y=24) and (2x-y=15). The solution is \(x=\frac{54}{5},\ y=\frac{33}{5}\), so \(x-y=\frac{21}{5}\).

What exam hint can help solve this Mathematics question?

दिए समीकरण (x+2y=24) और (2x-y=15) बनते हैं। हल \(x=\frac{54}{5},\ y=\frac{33}{5}\), इसलिए \(x-y=\frac{21}{5}\)।