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10 May, 10:21

Use the substitution method to solve y = - 7x + 3=

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  1. 10 May, 12:21
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    Y = - 7x + 3

    y + 7x = - 7x + 7x + 3

    y = 7x + 3

    7x + 3 = - 7x + 3

    +7x + 7x

    14x + 3 = 3

    -3 - 3

    14x = 0

    14 14

    x = 0

    y = - 7 (0) + 3

    y = 0 + 3

    y = 3

    (x, y) = (0, 3)
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