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LoveYou*69

  • 4 years ago

[6.02] For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation? -x - 2y = -4 3x + y = 12

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  1. Diyadiya
    • 4 years ago
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    -x=-4+2y Multiply both the sides by -1 to get x x=4-2y

  2. ash2326
    • 4 years ago
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    @LoveYou*69 Did you understand it?

  3. Diyadiya
    • 4 years ago
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    Now substitute it in second equation 3(4-2y) + y = 12

  4. LoveYou*69
    • 4 years ago
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    Okay! Thanks! and yea ash i knew the answer i was just making sure it was right lol :)

  5. TylerDaPro
    • 10 months ago
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    so is the answer -2y+4

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