3 years ago

I don't not understand substation for this problem y=x+6 then y=2x-7

1 answer:

3 0

$y=x+6\\
y=2x-7\\\\
x+6=2x-7\\
2x-x=6+7\\
x=13\\\\
y=13+6\\
y=18\\\\
\boxed{(x,y)=(13,18)}$

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