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30 August, 21:30

Determine graphically the x-value when y

equals

=

2

2 in the given equation.

negative x plus 2 y equals 8

-x+2y=8

+4
Answers (1)
  1. 30 August, 21:36
    0
    This problem is very simple. Knowing that y=2, plug 2 into the "y" in the equation: - x+2 (2) = 8

    -x+4=8

    subtract 4 on both sides of the equation:

    -x = (8-4)

    -x=4

    Divide both sides of the equation by (-1):

    x = (-4)
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