यदि (x=2y+3) और (3x-4y=17), तो (y) का मान क्या है?

If (x=2y+3) and (3x-4y=17), what is the value of (y)?

Explanation opens after your attempt
Correct Answer

C. (y=4)

Step 1

Concept

Substituting (x=2y+3) gives (6y+9-4y=17). Thus (2y=8), so (y=4).

Step 2

Why this answer is correct

The correct answer is C. (y=4). Substituting (x=2y+3) gives (6y+9-4y=17). Thus (2y=8), so (y=4).

Step 3

Exam Tip

(x=2y+3) रखने पर (6y+9-4y=17) मिलता है। इससे (2y=8), इसलिए (y=4)।

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Mathematics Answer, Explanation and Revision Hints

यदि (x=2y+3) और (3x-4y=17), तो (y) का मान क्या है? / If (x=2y+3) and (3x-4y=17), what is the value of (y)?

Correct Answer: C. (y=4). Explanation: (x=2y+3) रखने पर (6y+9-4y=17) मिलता है। इससे (2y=8), इसलिए (y=4)। / Substituting (x=2y+3) gives (6y+9-4y=17). Thus (2y=8), so (y=4).

Which concept should I revise for this Mathematics MCQ?

Substituting (x=2y+3) gives (6y+9-4y=17). Thus (2y=8), so (y=4).

What exam hint can help solve this Mathematics question?

(x=2y+3) रखने पर (6y+9-4y=17) मिलता है। इससे (2y=8), इसलिए (y=4)।