यदि \(x\in\mathbb{R}\), तो \(6-2x\ge x+9\) का हल कौन सा है?

If \(x\in\mathbb{R}\), which is the solution of \(6-2x\ge x+9\)?

Explanation opens after your attempt
Correct Answer

B. \(x\le-1\)

Step 1

Concept

Simplification gives \(-3x\ge3\). Dividing by a negative number reverses the sign, so \(x\le-1\).

Step 2

Why this answer is correct

The correct answer is B. \(x\le-1\). Simplification gives \(-3x\ge3\). Dividing by a negative number reverses the sign, so \(x\le-1\).

Step 3

Exam Tip

सरलीकरण से \(-3x\ge3\) मिलता है। ऋणात्मक संख्या से भाग देने पर चिन्ह बदलता है, इसलिए \(x\le-1\)।

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Mathematics Answer, Explanation and Revision Hints

यदि \(x\in\mathbb{R}\), तो \(6-2x\ge x+9\) का हल कौन सा है? / If \(x\in\mathbb{R}\), which is the solution of \(6-2x\ge x+9\)?

Correct Answer: B. \(x\le-1\). Explanation: सरलीकरण से \(-3x\ge3\) मिलता है। ऋणात्मक संख्या से भाग देने पर चिन्ह बदलता है, इसलिए \(x\le-1\)। / Simplification gives \(-3x\ge3\). Dividing by a negative number reverses the sign, so \(x\le-1\).

Which concept should I revise for this Mathematics MCQ?

Simplification gives \(-3x\ge3\). Dividing by a negative number reverses the sign, so \(x\le-1\).

What exam hint can help solve this Mathematics question?

सरलीकरण से \(-3x\ge3\) मिलता है। ऋणात्मक संख्या से भाग देने पर चिन्ह बदलता है, इसलिए \(x\le-1\)।