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12 October, 11:13

What is the solution to the system of equations?

y=1.5x-4

y=-x

+4
Answers (1)
  1. 12 October, 12:33
    0
    Y = 1.5x - 4

    y = - x

    since y = - x, we will sub - x in for y in the other equation

    -x = 1.5x - 4 ... subtract 1.5x from both sides

    -x - 1.5x = - 4

    -2.5x = - 4 ... divide both sides by - 2.5

    x = - 4/-2.5

    x = 1.6

    y = - x

    y = - 1.6

    solution is (1.6, - 1.6)
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