alleryStart learning →Solving $x+y=14$ and $x-y=4$ gives
A$x=5,\ y=9$
B$x=10,\ y=4$
C$x=7,\ y=7$
D$x=9,\ y=5$
Answer & Solution
Correct answer: D. $x=9,\ y=5$
1. Add the two equations: $2x=18$, so $x=9$.
2. Substitute: $9+y=14 \Rightarrow y=5$.
3. So $x=9,\ y=5$.
_Source: Karnataka SSLC (KSEEB) Class 10 Mathematics, Ch3 'Pair of Linear Equations in Two Variables', §3.3 (elimination)_
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