y=-2x-3 and 7x-5y=-6. solve by substitution

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y=-2x-3 and 7x-5y=-6. solve by substitution

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Neala 3 years 2021-09-02T11:54:01+00:00 1 Answers 6 views 0

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  1. Edana
    0
    2021-09-02T11:55:57+00:00
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    Answer:

    Step-by-step explanation:

    y = -2x – 3

    7x – 5y = -6

    7x – 5(-2x – 3) = -6

    7x + 10x + 15 = -6

    17x = -21

    x = -21/17

    y =  -2(-21/17) – 51/17

    y = 42/17 – 51/17

    y = -9/17

    (-21/17, -9/17)

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