How do you solve the simultaneous equations $y = 3x + 1$ and $2x + y = 6$ ?

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How do you solve the simultaneous equations $y = 3x + 1$ and $2x + y = 6$ ?

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Answer 1 · 2015-07-21T23:52:45

I found:
$x=1$
$y=4$

Explanation:

You can substitute the first equation into the second for $y$ :
you get:
$2x+color(red)(3x+1)=6$
$5x=5$
$x=5/5=1$
substitute into the first equation:
$y=3+1=4$

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How do you solve the simultaneous equations $y = 3x + 1$ and $2x + y = 6$ ?

1 Answer

Explanation:

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How do you solve the simultaneous equations $y = 3x + 1$ and $2x + y = 6$ ?