यदि ( -3x+7>16 ) है तो (x) के लिए सही अंतराल कौन सा है?
If ( -3x+7>16 ), which interval is correct for (x)?
Explanation opens after your attempt
A. (x<-3)
Concept
Dividing by a negative number reverses the inequality sign. In exams, always reverse the sign when dividing by (-3).
Why this answer is correct
The correct answer is A. (x<-3). Dividing by a negative number reverses the inequality sign. In exams, always reverse the sign when dividing by (-3).
Exam Tip
ऋणात्मक संख्या से भाग देने पर असमता का चिन्ह बदलता है। परीक्षा में (-3) से भाग देते समय चिन्ह अवश्य पलटें।
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