व्यंजक (7x+4-2x+9) का सरल रूप क्या है?
What is the simplified form of (7x+4-2x+9)?
Explanation opens after your attempt
A. (5x+13)
Concept
Combining like terms gives (7x-2x=5x) and (4+9=13). So the simplified form is (5x+13).
Why this answer is correct
The correct answer is A. (5x+13). Combining like terms gives (7x-2x=5x) and (4+9=13). So the simplified form is (5x+13).
Exam Tip
समान पद जोड़ने पर (7x-2x=5x) और (4+9=13)। इसलिए सरल रूप (5x+13) है।
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