असमानता \(-7<2x+3\le 9\) का सही हल कौन सा है?
What is the correct solution of \(-7<2x+3\le 9\)?
Explanation opens after your attempt
A. \(-5<x\le 3\)
Concept
Subtracting (3) first gives \(-10<2x\le 6\). Then dividing by positive (2) gives the correct solution \(-5<x\le 3\).
Why this answer is correct
The correct answer is A. \(-5<x\le 3\). Subtracting (3) first gives \(-10<2x\le 6\). Then dividing by positive (2) gives the correct solution \(-5<x\le 3\).
Exam Tip
पहले (3) घटाने पर \(-10<2x\le 6\) मिलता है। फिर धनात्मक (2) से भाग देने पर \(-5<x\le 3\) सही हल है।
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