How do solve the following linear system?: $y=-6x-9 , -x+3y=-5$ ?

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How do solve the following linear system?: $y=-6x-9 , -x+3y=-5$ ?

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Answer 1 · 2018-06-19T15:28:07

Use substitution method

Explanation:

Given linear equations:
$y=-6x-9 \ldots(1)$ &
$-x+3y=-5\ldots (2)$
substituting the value of $y$ from (1) into (2), we get
$-x+3(-6x-9)=-5$
$-19x=22$
$\implies x=-\frac{22}{19}$
$y=-6x-9=-6(-\frac{22}{19})-9=-\frac{39}{19}$

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How do solve the following linear system?: $y=-6x-9 , -x+3y=-5$ ?

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How do solve the following linear system?: y=-6x-9 , -x+3y=-5 y=-6x-9 , -x+3y=-5 ?

1 Answer

Explanation:

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How do solve the following linear system?: $y=-6x-9 , -x+3y=-5$ ?