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Mathematics, 05.02.2020 08:53 Auriieee

What is the resulting equation when the expression for y in the second equation is substituted into the first equation?
3x+y=1
y=6 - 4x
-x+6=1
ox+6=1
7x+6=1

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What is the resulting equation when the expression for y in the second equation is substituted into...

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