How do you solve the following system: $x-5y=-9, -x+y=5$ ?

1 Answer

Jan 4, 2016

$x-5y=-9$ $.............(i)$
$-x+y=5$ $............(ii)$
Add $(i)$ and $(ii)$
$implies -4y=-4$
$implies y=1$
Put $y=1$ in $(i)$
$implies x-5(1)=-9$
$implies x=-9+5=-4$
$implies x=-4$

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How do you solve the following system: $x-5y=-9, -x+y=5$ ?

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How do you solve the following system: x-5y=-9, -x+y=5x-5y=-9, -x+y=5?

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How do you solve the following system: $x-5y=-9, -x+y=5$ ?