How do you solve the following system?: $4x +y =12 , 6x +5y = -2$

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How do you solve the following system?: $4x +y =12 , 6x +5y = -2$

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Answer 1 · 2018-06-12T12:07:57

$x=31/7,y=-40/7$

Explanation:

Multiplying the first equation by $-5$ and adding 5to the sond we get
$-14x=-62$ so $x=31/7$
plugging this in the first equiation to compute $y$
$y=12-4*31/7$
so
$y=-40/7$

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How do you solve the following system?: $4x +y =12 , 6x +5y = -2$

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How do you solve the following system?: 4x +y =12 , 6x +5y = -2 4x +y =12 , 6x +5y = -2

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Explanation:

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How do you solve the following system?: $4x +y =12 , 6x +5y = -2$