समीकरणों (4x-3y=7) और (5x+6y=44) से (x+y) का मान क्या है?

What is the value of (x+y) from (4x-3y=7) and (5x+6y=44)?

Explanation opens after your attempt
Correct Answer

A. \(x+y=\frac{105}{13}\)

Step 1

Concept

Multiply the first equation by (2) and add the second. \(x=\frac{58}{13}\) and \(y=\frac{47}{13}\), so \(x+y=\frac{105}{13}\).

Step 2

Why this answer is correct

The correct answer is A. \(x+y=\frac{105}{13}\). Multiply the first equation by (2) and add the second. \(x=\frac{58}{13}\) and \(y=\frac{47}{13}\), so \(x+y=\frac{105}{13}\).

Step 3

Exam Tip

पहले समीकरण को (2) से गुणा कर दूसरे से जोड़ें। \(x=\frac{58}{13}\) और \(y=\frac{47}{13}\), अतः \(x+y=\frac{105}{13}\)।

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Mathematics Answer, Explanation and Revision Hints

समीकरणों (4x-3y=7) और (5x+6y=44) से (x+y) का मान क्या है? / What is the value of (x+y) from (4x-3y=7) and (5x+6y=44)?

Correct Answer: A. \(x+y=\frac{105}{13}\). Explanation: पहले समीकरण को (2) से गुणा कर दूसरे से जोड़ें। \(x=\frac{58}{13}\) और \(y=\frac{47}{13}\), अतः \(x+y=\frac{105}{13}\)। / Multiply the first equation by (2) and add the second. \(x=\frac{58}{13}\) and \(y=\frac{47}{13}\), so \(x+y=\frac{105}{13}\).

Which concept should I revise for this Mathematics MCQ?

Multiply the first equation by (2) and add the second. \(x=\frac{58}{13}\) and \(y=\frac{47}{13}\), so \(x+y=\frac{105}{13}\).

What exam hint can help solve this Mathematics question?

पहले समीकरण को (2) से गुणा कर दूसरे से जोड़ें। \(x=\frac{58}{13}\) और \(y=\frac{47}{13}\), अतः \(x+y=\frac{105}{13}\)।