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29 August, 19:08

Y = 5x-40

y-3x=-24

(Solve the system algebraically by any method and show work)

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Answers (1)
  1. 29 August, 19:28
    0
    Substitution ...

    y = 5x - 40 ... so we sub in 5x - 40 in for y in the other equation

    y - 3x = - 24

    5x - 40 - 3x = - 24

    5x - 3x = - 24 + 40

    2x = 16

    x = 16/2

    x = 8

    y = 5x - 40

    y = 5 (8) - 40

    y = 40 - 40

    y = 0

    solution is (8,0)
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