यदि (3x-5y=-1) और (2x+5y=21), तो (x) का मान क्या होगा?

If (3x-5y=-1) and (2x+5y=21), what will be the value of (x)?

Explanation opens after your attempt
Correct Answer

B. (x=4)

Step 1

Concept

Adding both equations gives (5x=20). Therefore (x=4).

Step 2

Why this answer is correct

The correct answer is B. (x=4). Adding both equations gives (5x=20). Therefore (x=4).

Step 3

Exam Tip

दोनों समीकरण जोड़ने पर (5x=20) मिलता है। इसलिए (x=4)।

Question me issue ya doubt hai?

Answer, explanation, typing mistake ya suggestion directly hamari team ko bhejein. 📱Helpline (Call / WhatsApp): +91 7272824365

Related Mathematics Questions

FAQs

Mathematics Answer, Explanation and Revision Hints

यदि (3x-5y=-1) और (2x+5y=21), तो (x) का मान क्या होगा? / If (3x-5y=-1) and (2x+5y=21), what will be the value of (x)?

Correct Answer: B. (x=4). Explanation: दोनों समीकरण जोड़ने पर (5x=20) मिलता है। इसलिए (x=4)। / Adding both equations gives (5x=20). Therefore (x=4).

Which concept should I revise for this Mathematics MCQ?

Adding both equations gives (5x=20). Therefore (x=4).

What exam hint can help solve this Mathematics question?

दोनों समीकरण जोड़ने पर (5x=20) मिलता है। इसलिए (x=4)।