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
C. (x=5)
Concept
Subtracting the second equation from the first gives (3x=15). Therefore (x=5).
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).
Exam Tip
पहले समीकरण से दूसरा घटाने पर (3x=15) मिलता है। इसलिए (x=5)।
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