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24 November, 06:18

Solve the System using elimination.

5x-2y=15

7x+7y=-28

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Answers (1)
  1. 24 November, 09:55
    0
    x=1 y=-5

    Step-by-step explanation:

    7 (5x-2y=15) - --> 35x-14y=105

    2 (7x+7y=-28) - -> + 14x+14y=-56

    49x=49 - -->x=1

    5 (1) - 2y=15 - --> 5-2y=15 - --> - 2y=10 - --> y=-5
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