यदि (7-4x>19) है तो (x) का सही हल कौन सा है?
If (7-4x>19), which solution for (x) is correct?
Explanation opens after your attempt
A. (x<-3)
Concept
From (7-4x>19), we get (-4x>12), so (x<-3). The inequality sign reverses when dividing by a negative number.
Why this answer is correct
The correct answer is A. (x<-3). From (7-4x>19), we get (-4x>12), so (x<-3). The inequality sign reverses when dividing by a negative number.
Exam Tip
(7-4x>19) से (-4x>12) और (x<-3) मिलता है। ऋणात्मक संख्या से भाग देते समय असमता का चिन्ह पलटता है।
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