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Mathematics, 28.01.2020 22:40 lucaszsanches

35 points！
x-7y=4
-3x+21y=5

1. what is the solution to the system of equations above?
2. what do you know about the two lines in the system of equations?

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35 points！
x-7y=4
-3x+21y=5

1. what is the solution to the system of equatio...
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