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Question #51075

1 Answer

Feb 20, 2017

$x=2$
$y=-2$

Explanation:

Given -

$-2x-2y=0$ ---------------------------(1)
$-x+y=-4$ ----------------------------(2)

$-x+y=-4$ ----------------------------(2) $xx 2$

$-2x+2y=-8$ -------------------------(3)
$-2x-2y=0$ ---------------------------(1) $3 + 1$
$-4x=-8$
$x=(-8)/(-4)=2$
$x=2$

Substitute $x=2$ in equation (2)

$-(2)+y=-4$ ----------------------------(2)
$-2+y=-4$
$y=-4+2=-2$
$y=-2$

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