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5 September, 18:50

Use substitution to solve the following system of equation s 4y-3 = 22 and y=2x-2

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  1. 5 September, 19:33
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    x = 33/8

    y = 25/4

    Step-by-step explanation:

    4y - 3 = 22

    y = 2x - 2

    4y - 3 = 22

    4y - 3 - 22 = 0

    4y - 25 = 0

    4 (2x - 2) - 25 = 0

    8x - 8 - 25 = 0

    8x - 33 = 0

    8x = 33

    x = 33/8

    y = 2x - 2

    y = 2 (33/8) - 2

    y = 33/4 - 2

    y = 33/4 - 8/4

    y = 25/4
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