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12 September, 09:28

Solve the sytems of equations by substitution

x=-4y

x+5y=2

+1
Answers (2)
  1. 12 September, 11:47
    0
    X = - 4y x + 5y = 2

    -4y + 5y = 2

    *add - 4y and 5y*

    y = 2

    x = - 4 (2)

    *Multiply - 4 and 2*

    x = - 8
  2. 12 September, 13:16
    0
    Y=2, put - 4y in for do to the second equation, and then it's technically 5-4 so then you have 1y=2 then you move the 1 to the other side by dividing 2 by 1.
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