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2 September, 22:39

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

4x+7y=60

-4x+7y=-4

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Answers (1)
  1. 3 September, 00:32
    0
    A) 4x+7y=60

    B) - 4x+7y=-4

    Adding the 2 equations

    14y = 56

    y = 4

    A) 4x+7*4=60

    A) 4x+28=60

    A) 4x = 32

    x = 8
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