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20 July, 16:20

Solve for x and y y=2x+1 y=x-1

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Answers (1)
  1. 20 July, 19:05
    0
    2=x

    Step-by-step explanation:

    Substitute the

    -x-1 for y to get - x-1=-2x+1

    Add x to - x and - 2x

    to get

    -1=-1x+1

    Subtract 1 from 1 and - 1

    to get

    -2=-1x

    Divide both sides by

    -1

    to get

    2=x
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