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Question

Solve:
$x - y = 0; y + 3 = 0$

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Solution

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$x - y = 0 . . . . . (1)$
$y + 3 = 0 \Rightarrow y = - 3$
Substituting the value of $y$ in equation $(1)$ , we have
$x - (- 3) = 0$
$x + 3 = 0$
$\Rightarrow x = - 3$
Hence $(- 3, - 3)$ .

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