असमानता (5x-7<18) का हल क्या है?
What is the solution of the inequality (5x-7<18)?
Explanation opens after your attempt
A. (x<5)
Concept
First add (7) to both sides to get (5x<25), then divide by (5). Division by a positive number does not change the sign.
Why this answer is correct
The correct answer is A. (x<5). First add (7) to both sides to get (5x<25), then divide by (5). Division by a positive number does not change the sign.
Exam Tip
पहले दोनों ओर (7) जोड़ें तो (5x<25) मिलता है फिर (5) से भाग दें। धनात्मक भाग में चिह्न नहीं बदलता।
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