विलोपन विधि से (x+y=14) और (x-y=4) का हल चुनें।
Choose the solution of (x+y=14) and (x-y=4) by elimination.
Explanation opens after your attempt
A. ( (9,5) )
Concept
Adding gives (2x=18), so (x=9) and (y=5). Add opposite (y) terms to eliminate them.
Why this answer is correct
The correct answer is A. ( (9,5) ). Adding gives (2x=18), so (x=9) and (y=5). Add opposite (y) terms to eliminate them.
Exam Tip
जोड़ने पर (2x=18), इसलिए (x=9) और (y=5)। विपरीत (y) पद जोड़कर हटाएँ।
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