विलोपन विधि से (x+y=14) और (x-y=4) का हल चुनें।

Choose the solution of (x+y=14) and (x-y=4) by elimination.

Explanation opens after your attempt
Correct Answer

A. ( (9,5) )

Step 1

Concept

Adding gives (2x=18), so (x=9) and (y=5). Add opposite (y) terms to eliminate them.

Step 2

Why this answer is correct

The correct answer is A. ( (9,5) ). Adding gives (2x=18), so (x=9) and (y=5). Add opposite (y) terms to eliminate them.

Step 3

Exam Tip

जोड़ने पर (2x=18), इसलिए (x=9) और (y=5)। विपरीत (y) पद जोड़कर हटाएँ।

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Mathematics Answer, Explanation and Revision Hints

विलोपन विधि से (x+y=14) और (x-y=4) का हल चुनें। / Choose the solution of (x+y=14) and (x-y=4) by elimination.

Correct Answer: A. ( (9,5) ). Explanation: जोड़ने पर (2x=18), इसलिए (x=9) और (y=5)। विपरीत (y) पद जोड़कर हटाएँ। / Adding gives (2x=18), so (x=9) and (y=5). Add opposite (y) terms to eliminate them.

Which concept should I revise for this Mathematics MCQ?

Adding gives (2x=18), so (x=9) and (y=5). Add opposite (y) terms to eliminate them.

What exam hint can help solve this Mathematics question?

जोड़ने पर (2x=18), इसलिए (x=9) और (y=5)। विपरीत (y) पद जोड़कर हटाएँ।