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18 December, 08:35

Solve the system or equations by substitution y=-4x+5 y=-3x-16

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  1. 18 December, 09:01
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    x = 21

    Step-by-step explanation:

    y = - 4x+5

    y = - 3x-16

    - 4x + 5 = - 3x - 16

    - 4x + 3x = - 16 - 5

    - x = - 21

    x = 21
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