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x + y = 7 ಮತ್ತು x - y = 3 ಅನ್ನು ಸೇರಿಸುವುದರಿಂದ ಯಾವ ಚರಾಂಶವನ್ನು ತೆಗೆದುಹಾಕಲಾಗುತ್ತದೆ?

Aಎರಡೂ
Bಎರಡೂ ಅಲ್ಲ
Cವೈ
Dx
Answer & Solution
Correct answer: C. ವೈ
ಸಮೀಕರಣಗಳನ್ನು ಸೇರಿಸಿದಾಗ +y ಮತ್ತು -y ಪದಗಳು ರದ್ದಾಗುತ್ತವೆ.
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