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21 November, 08:55

Where do the lines modeled by the equation y = - 7/8x + 1/4 and y = - 3/4x+1/2 intersect

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  1. 21 November, 09:01
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    Since both equations are equal to y, set them equal to each other and solve.

    -7/8 x + 1/4 = - 3/4x + 1/2

    Multiply each term by the LCD 8.

    8 (-7/8) x+8 (1/4) = 8 (-3/4) x+8 (1/2)

    -7x + 2 = - 6x + 4

    Add 7x to both sides

    2 = x + 4

    Subtract 4 from both sides

    -2 = x

    Plug - 2 into one of the original equations and solve for y.

    y = (-3/4) (-2) + (1/2)

    y = (3/2) + (1/2)

    y = 2

    (-2, 2)
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