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3 August, 17:02

How do you solve this?

-x+y=7

6x+y=14

+1
Answers (1)
  1. 3 August, 17:53
    0
    Multiply the first equation by - 1 to use elimination method.

    x-y=-7

    6x+y=14

    7x=7

    x=1

    Plug this x value in.

    -1+y=7

    y=8

    Final answer: (1,8)
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