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3 June, 14:56

Y = - 2 x + 7; y = 5 x - 7

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  1. 3 June, 15:33
    0
    Do you need to solve for x?

    As the both equal y, they must both equal each other so

    -2x+7=5x-7

    Add 2x to both sides

    7=7x-7

    Add 7 to both sides

    14=7x

    Divide both sides by 7

    2=x

    X=2
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