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anonymous

  • one year ago

can someone help me solve this?!?!? \ What is the value of x in the solution to the following system of equations? x − 2y = 2 3x + y = 6

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  1. anonymous
    • one year ago
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    @peachpi

  2. anonymous
    • one year ago
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    @Vocaloid

  3. Vocaloid
    • one year ago
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    multiply the second equation by 2

  4. anonymous
    • one year ago
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    6x+2y=12?

  5. Vocaloid
    • one year ago
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    right, now let's move to the next step our equations are: x-2y = 2 6x+2y = 12 add the two equations together

  6. anonymous
    • one year ago
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    6x+4y=14

  7. Vocaloid
    • one year ago
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    not quite, can you try adding 6x + x?

  8. anonymous
    • one year ago
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    7x+4y=14?

  9. Vocaloid
    • one year ago
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    close but not quite -2y + 2y = ?

  10. anonymous
    • one year ago
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    y

  11. Vocaloid
    • one year ago
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    no, let's try this a bit differently -2 + 2 = ?

  12. anonymous
    • one year ago
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    0

  13. Vocaloid
    • one year ago
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    right! -2+2 = 0 so what is -2y+2y = ?

  14. anonymous
    • one year ago
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    0y

  15. Vocaloid
    • one year ago
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    right! 0y, which is the same as 0 7x + 0 = 14, what is x?

  16. anonymous
    • one year ago
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    7

  17. Vocaloid
    • one year ago
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    no, please try again 7*x = 14 what is the value of x?

  18. anonymous
    • one year ago
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    2?

  19. Vocaloid
    • one year ago
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    great! x = 2

  20. anonymous
    • one year ago
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    so thats the answer?

  21. Vocaloid
    • one year ago
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    please look at the question again...

  22. anonymous
    • one year ago
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    yes thats the answer

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spraguer (Moderator)
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