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Select the system of linear equations that has the solutions (7, 0). x - y= 7 x + y= 9 7+3y= 10 -5x - y=

Select the system of linear equations that has the solutions (7, 0).

x - y= 7

x + y= 9

7+3y= 10

-5x - y= -35

x - y= 7

x + y= 7

3x - 4y= 21

3x + 4y= -20

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