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28 January, 13:19

Which ordered pair is the solution to this system of equations?

y=2x-3

y=7-0.5x

+3
Answers (1)
  1. 28 January, 15:55
    0
    (4, 5)

    Step-by-step explanation:

    y = 2x - 3

    y = 7 - 0.5x

    y is already isolated on both equations, set them equal to each other:

    2x - 3 = 7 - 0.5x

    add 3 to both sides:

    2x = 10 - 0.5x

    add 0.5x to both sides:

    2.5x = 10

    divide by 2.5:

    x = 4

    plug in 4 for x on either equation and solve for y:

    y = 2 (4) - 3

    y = 8 - 3

    y = 5

    (4, 5)
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