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5 July, 12:29

Use the elimination method to solve the system of equations. choose the correct ordered pair.

4x+6y=62

-6x+6y=-18

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Answers (1)
  1. 5 July, 13:24
    0
    If we subtract the equations we can eliminate the 2 6y's

    subtractiong the second from the first:-

    10x = 44

    x = 4.4

    now plug x = 44 into the first equation:-

    4*4.4 + 6y = 62

    6y = 62 - 4*4.4 = 44.4

    y = 44.4/6 = 7.4

    the answer is the order pair (4.4,7.4)
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