व्यंजक ((3x-4)+(2x+9)-(5x-7)) का सरल रूप क्या है?
What is the simplified form of ((3x-4)+(2x+9)-(5x-7))?
Explanation opens after your attempt
A. (12)
Concept
Removing brackets gives (3x-4+2x+9-5x+7=12). The (x)-terms cancel out.
Why this answer is correct
The correct answer is A. (12). Removing brackets gives (3x-4+2x+9-5x+7=12). The (x)-terms cancel out.
Exam Tip
कोष्ठक हटाने पर (3x-4+2x+9-5x+7=12) मिलता है। (x) वाले पद कट जाते हैं।
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