यदि (5x+3y=31) और (2x+3y=16), तो (x) का मान क्या है?

If (5x+3y=31) and (2x+3y=16), what is the value of (x)?

Explanation opens after your attempt
Correct Answer

C. (x=5)

Step 1

Concept

Subtracting the second equation from the first gives (3x=15). Therefore (x=5).

Step 2

Why this answer is correct

The correct answer is C. (x=5). Subtracting the second equation from the first gives (3x=15). Therefore (x=5).

Step 3

Exam Tip

पहले समीकरण से दूसरा घटाने पर (3x=15) मिलता है। इसलिए (x=5)।

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Mathematics Answer, Explanation and Revision Hints

यदि (5x+3y=31) और (2x+3y=16), तो (x) का मान क्या है? / If (5x+3y=31) and (2x+3y=16), what is the value of (x)?

Correct Answer: C. (x=5). Explanation: पहले समीकरण से दूसरा घटाने पर (3x=15) मिलता है। इसलिए (x=5)। / Subtracting the second equation from the first gives (3x=15). Therefore (x=5).

Which concept should I revise for this Mathematics MCQ?

Subtracting the second equation from the first gives (3x=15). Therefore (x=5).

What exam hint can help solve this Mathematics question?

पहले समीकरण से दूसरा घटाने पर (3x=15) मिलता है। इसलिए (x=5)।