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becca18

  • 4 years ago

4x-y=-4 2x+y=7 Using Elimination, Solve.

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  1. jadiemint
    • 4 years ago
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    add the two equations together. you get 6x=3. then solve for x, plug back in to get y. Tada :)

  2. becca18
    • 4 years ago
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    I have 2 questions by the way

  3. becca18
    • 4 years ago
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    And Thanks

  4. pratu043
    • 4 years ago
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    You can either replace x or y using the first equation. Replace the variable in the second equation and you will get x and y.

  5. pratu043
    • 4 years ago
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    By elimination, do you mean the trial and error method?

  6. becca18
    • 4 years ago
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    Idk you start it off by what that person did up there^ I think I did it right idk though.

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