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17 August, 21:22

Solve the system by the substitution method.

X+Y=-3

Y=-4x

+1
Answers (2)
  1. 17 August, 22:02
    0
    x = 1, y = - 4

    substitute y = - 4x into the other equation

    x - 4x = - 3

    - 3x = - 3 (divide both sides by - 3)

    x = 1

    substitute x = 1 into y = - 4x ⇒ y = - 4
  2. 17 August, 22:15
    0
    Find it I cannot find it
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