असमानता (2x+5<13) का हल क्या है?
What is the solution of the inequality (2x+5<13)?
Explanation opens after your attempt
A. (x<4)
Concept
Subtract (5) first and then divide by (2) so (x<4). The sign reverses only when division is by a negative number.
Why this answer is correct
The correct answer is A. (x<4). Subtract (5) first and then divide by (2) so (x<4). The sign reverses only when division is by a negative number.
Exam Tip
पहले (5) घटाएँ फिर (2) से भाग दें इसलिए (x<4) मिलता है। चिन्ह तभी उलटेगा जब भाग ऋणात्मक संख्या से हो।
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