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11 February, 08:33

Solve y=x+3 and 2x+y=-6 by substitution

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Answers (2)
  1. 11 February, 09:10
    0
    x = - 3

    Step-by-step explanation:

    substitute y in the second equation for x + 3:

    2x + (x + 3) = - 6

    2x + x + 3 = - 6

    3x + 3 = - 6

    -3 - 3

    3x = - 9

    /3 / 3

    x = - 3
  2. 11 February, 11:36
    0
    Hope this is right ...
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