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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