विलोपन विधि से (3x+2y=20) और (3x-2y=4) को जोड़ने पर (x) क्या होगा?

By elimination, what is (x) after adding (3x+2y=20) and (3x-2y=4)?

Explanation opens after your attempt
Correct Answer

B. (x=4)

Step 1

Concept

Adding gives (6x=24), so (x=4). Add opposite (2y) terms to eliminate them.

Step 2

Why this answer is correct

The correct answer is B. (x=4). Adding gives (6x=24), so (x=4). Add opposite (2y) terms to eliminate them.

Step 3

Exam Tip

जोड़ने पर (6x=24), इसलिए (x=4)। विपरीत (2y) पदों को जोड़कर हटाएँ।

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विलोपन विधि से (3x+2y=20) और (3x-2y=4) को जोड़ने पर (x) क्या होगा? / By elimination, what is (x) after adding (3x+2y=20) and (3x-2y=4)?

Correct Answer: B. (x=4). Explanation: जोड़ने पर (6x=24), इसलिए (x=4)। विपरीत (2y) पदों को जोड़कर हटाएँ। / Adding gives (6x=24), so (x=4). Add opposite (2y) terms to eliminate them.

Which concept should I revise for this Mathematics MCQ?

Adding gives (6x=24), so (x=4). Add opposite (2y) terms to eliminate them.

What exam hint can help solve this Mathematics question?

जोड़ने पर (6x=24), इसलिए (x=4)। विपरीत (2y) पदों को जोड़कर हटाएँ।