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7 April, 14:52

What is the solution of the system of equations?

y = - 2x + 8

y = x - 4

+3
Answers (2)
  1. 7 April, 15:15
    0
    You could treat it as a matrix and solve it that way

    graph and find intersection

    etc.
  2. 7 April, 16:35
    0
    y = - 2x + 8

    y = x - 4

    Set them to equal to each other to solve for x.

    x - 4 = - 2x + 8

    3x = 12

    x = 4

    Plug 4 for x in either equation.

    y = x - 4

    y = 4 - 4

    y = 0

    So (4, 0)
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