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Algebra 1- Math

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Solve by elimination 2x-3y=-3 3x-3y=18

  • Algebra 1- Math -

    2x-3y =-3
    -1(3x-3y=18)

    2x-3y=-3
    + -3x+3y=-18 (add two equations)

    -x = -21
    x = 21

    2(21)-3y =-3
    42-3y=-3
    -3y=-45
    y=15

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