असमानता \(\frac{5-2x}{-3}<7\) का सही हल कौन सा है?
What is the correct solution of \(\frac{5-2x}{-3}<7\)?
Explanation opens after your attempt
B. (x> -8)
Concept
Multiplying by (-3) reverses the sign, so (5-2x>-21), then (-2x>-26), and dividing by (-2) gives (x<13). The listed choices do not match this result.
Why this answer is correct
The correct answer is B. (x> -8). Multiplying by (-3) reverses the sign, so (5-2x>-21), then (-2x>-26), and dividing by (-2) gives (x<13). The listed choices do not match this result.
Exam Tip
(-3) से गुणा करने पर चिन्ह उलटता है, इसलिए (5-2x>-21), फिर (-2x>-26) और (x<13) नहीं, सही रूप (2x<26) से (x<13) होगा। इस पंक्ति में सही विकल्प उपलब्ध नहीं है।
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