juliaaguimaraesiclou juliaaguimaraesiclou

31-01-2020
Mathematics

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Solve algebraically y = - x - 2 y = - 2x

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Аноним Аноним

13-02-2021

Answer:

[tex]y=-x-2.........(1)\\y=-2x~...........(2)\\Equating~eq^n~(1)~and~(2),\\-x-2=-2x\\or, x+2=2x\\or, x=2\\Substituting~x=2~in~eq^n(2),\\y=-2(2) = -4[/tex]

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