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anonymous

  • 4 years ago

Solve using the elimination method. -3x + 4y = 1 -6x + 6y = -3 i got as far as eliminating x so I have 10y=-3 ?

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  1. anonymous
    • 4 years ago
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    I mean 14y=-3 is this correct?

  2. anonymous
    • 4 years ago
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    (-3x+4y=1) <<<Multiply this by -2 to elimiinate x -6x+6y=-3

  3. anonymous
    • 4 years ago
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    right so therefore the problem becomes -2y=1

  4. anonymous
    • 4 years ago
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    No!, You're left with -2y=-5

  5. anonymous
    • 4 years ago
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    oh ok ad both sides gotcha

  6. anonymous
    • 4 years ago
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    then it would be y=-5/2 is this correct?

  7. anonymous
    • 4 years ago
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    y=5/2, dividing a negative by a negative yields a positive

  8. anonymous
    • 4 years ago
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    ok then I just plug 5/2 into both equations to solve for x correct?

  9. anonymous
    • 4 years ago
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    Plug it into 1 will work

  10. anonymous
    • 4 years ago
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    sorry I am really trying to figure out how to do this not just the answer. I have been working on it for a couple of days now and really am not understanding it

  11. anonymous
    • 4 years ago
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    No big deal, you'll get it

  12. anonymous
    • 4 years ago
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    Thank you for all of your help

  13. anonymous
    • 4 years ago
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    NP

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spraguer (Moderator)
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