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Math

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3x+3y=15
3x-6y=-12
Please help me solve each system of equation and show your work thanks.

  • Math - ,

    just subtract them as they sit
    9y = 27
    y = 3
    plug back into the 1st
    3x + 9 = 15
    3x = 6
    x = 2

    x = 2, y = 3

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