allery2x + y = 7 ಮತ್ತು x + y = 4 ನಿಂದ, y ನ ಮೌಲ್ಯವು
A4
B2
C3
D1
Answer & Solution
Correct answer: D. 1
ಕಳೆಯುವುದರಿಂದ x = 3 ಸಿಗುತ್ತದೆ, ಮತ್ತು ನಂತರ y = 4 - 3 = 1 ಸಿಗುತ್ತದೆ.
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