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12 October, 10:17

What is 2x=y-10

x+7=y

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Answers (1)
  1. 12 October, 10:27
    0
    x = - 3

    y = 4

    Step-by-step explanation:

    first i plug y=x+7 for y on 2x=y-10

    this makes it 2x=x+7-10

    then i solve 7-10 to get 2x=x-3

    i subtract - x from both sides to get x=-3

    so i plug in x=-3 to x+7=y to get - 3+7=y which makes y=4
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