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6 October, 10:46

What is the solution of the system? Use the elimination method. 2x+y=20 6x?5y=12

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Answers (2)
  1. 6 October, 10:56
    0
    (22, - 24)

    Step-by-step explanation:

    Multiply the first equation by - 5 to make the y's so you can add the up to zero.

    -5 (2x + y = 20)

    -10x - 5y = - 100 Add the second equation thn solve for x

    6x + 5y = 12

    -4x = - 88

    x = 22

    Plug 22 in for x in either equation

    2x + y = 20

    2 (22) + y = 20

    44 + y = 20

    y = - 24
  2. 6 October, 11:07
    0
    (22, - 24)
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