असमानता \(-7x\leq 28\) को हल कीजिए।
Solve the inequality \(-7x\leq 28\).
Explanation opens after your attempt
A. \(x\geq -4\)
Concept
Dividing by (-7) reverses the sign to \(\geq\). Therefore \(x\geq -4\) is obtained.
Why this answer is correct
The correct answer is A. \(x\geq -4\). Dividing by (-7) reverses the sign to \(\geq\). Therefore \(x\geq -4\) is obtained.
Exam Tip
(-7) से भाग देने पर चिन्ह उलटकर \(\geq\) हो जाता है। इसलिए \(x\geq -4\) मिलता है।
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