समीकरणों (7x-5y=4) और (2x+5y=41) से (x) का मान क्या है?
What is the value of (x) from (7x-5y=4) and (2x+5y=41)?
Explanation opens after your attempt
B. (x=5)
Concept
Adding both equations gives (9x=45). Therefore (x=5).
Why this answer is correct
The correct answer is B. (x=5). Adding both equations gives (9x=45). Therefore (x=5).
Exam Tip
दोनों समीकरण जोड़ने पर (9x=45) मिलता है। इसलिए (x=5)।
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