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21 March, 00:41

What is the result of adding these two equations? 2x+7y=4

-2x-8y=-2

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Answers (1)
  1. 21 March, 03:40
    0
    y = - 2

    Step-by-step explanation:

    2x and - 2x add to 0

    7y and - 8y add to - y

    4 and - 2 add to 2

    divide by-1 to move the negative from the y to the 2.
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