यदि (2x+7y=36) और (2x+3y=20), तो (y) का मान क्या है?
If (2x+7y=36) and (2x+3y=20), what is the value of (y)?
Explanation opens after your attempt
C. (y=4)
Concept
Subtracting the second equation from the first gives (4y=16). Therefore (y=4).
Why this answer is correct
The correct answer is C. (y=4). Subtracting the second equation from the first gives (4y=16). Therefore (y=4).
Exam Tip
पहले समीकरण से दूसरा घटाने पर (4y=16)। इसलिए (y=4)।
Login to save your score, XP, coins and progress.
