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6 April, 21:27

Which ordered pair is the solution to the system?

x+5y=-3

2x+7y=3

A. (12, - 3)

B. (-13, 2)

C. (-2, 1)

D. (22, - 5)

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Answers (1)
  1. 6 April, 21:40
    0
    For this one you want to cancel out the x-terms.

    Multiply top equation by - 2

    ---> - 2x - 10y = 6

    ---> 2x + 7y = 3

    Add them together

    ---> - 3y = 9

    Solve for y ...
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