समीकरणों \(\frac{x}{3}+\frac{y}{5}=4\) और (x-y=6) से (x) का मान क्या है?

What is the value of (x) from \(\frac{x}{3}+\frac{y}{5}=4\) and (x-y=6)?

Explanation opens after your attempt
Correct Answer

A. \(x=\frac{39}{4}\)

Step 1

Concept

Multiply the first equation by (15) to get (5x+3y=60). Using (x=y+6) gives \(x=\frac{39}{4}\).

Step 2

Why this answer is correct

The correct answer is A. \(x=\frac{39}{4}\). Multiply the first equation by (15) to get (5x+3y=60). Using (x=y+6) gives \(x=\frac{39}{4}\).

Step 3

Exam Tip

पहले समीकरण को (15) से गुणा कर (5x+3y=60) बनाएं। (x=y+6) रखने पर \(x=\frac{39}{4}\)।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: A. \(x=\frac{39}{4}\). Explanation: पहले समीकरण को (15) से गुणा कर (5x+3y=60) बनाएं। (x=y+6) रखने पर \(x=\frac{39}{4}\)। / Multiply the first equation by (15) to get (5x+3y=60). Using (x=y+6) gives \(x=\frac{39}{4}\).

Which concept should I revise for this Mathematics MCQ?

Multiply the first equation by (15) to get (5x+3y=60). Using (x=y+6) gives \(x=\frac{39}{4}\).

What exam hint can help solve this Mathematics question?

पहले समीकरण को (15) से गुणा कर (5x+3y=60) बनाएं। (x=y+6) रखने पर \(x=\frac{39}{4}\)।