यदि ((k-2)x+5x) का सरल रूप (9x) है, तो (k) का मान क्या होगा?

If the simplified form of ((k-2)x+5x) is (9x), what is the value of (k)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (6)

Step 1

Concept

Combining like terms gives ((k-2+5)x=(k+3)x). From (k+3=9), (k=6).

Step 2

Why this answer is correct

The correct answer is B. (6). Combining like terms gives ((k-2+5)x=(k+3)x). From (k+3=9), (k=6).

Step 3

Exam Tip

समान पद मिलाने पर ((k-2+5)x=(k+3)x) मिलता है। (k+3=9) से (k=6) होगा।

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Mathematics Answer, Explanation and Revision Hints

यदि ((k-2)x+5x) का सरल रूप (9x) है, तो (k) का मान क्या होगा? / If the simplified form of ((k-2)x+5x) is (9x), what is the value of (k)?

Correct Answer: B. (6). Explanation: समान पद मिलाने पर ((k-2+5)x=(k+3)x) मिलता है। (k+3=9) से (k=6) होगा। / Combining like terms gives ((k-2+5)x=(k+3)x). From (k+3=9), (k=6).

Which concept should I revise for this Mathematics MCQ?

Combining like terms gives ((k-2+5)x=(k+3)x). From (k+3=9), (k=6).

What exam hint can help solve this Mathematics question?

समान पद मिलाने पर ((k-2+5)x=(k+3)x) मिलता है। (k+3=9) से (k=6) होगा।