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Amenah8

  • one year ago

How would you solve 3x-2y=12 using slope intercept form.

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  1. pooja195
    • one year ago
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    we need to isolate y right? so we need to subtract 3x from both sides now we have \[\huge~\rm-2y=-3x+12\] any cles on what the next step is?

  2. Amenah8
    • one year ago
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    the next step is to divide the left side by -2.

  3. pooja195
    • one year ago
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    yes can you please do that? :)

  4. Amenah8
    • one year ago
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    I got -2y/-2 = 12-3x/-2 and then y = -6 -3x/-2 and the final answer is y = -6 - 3x/2. Is this correct?

  5. pooja195
    • one year ago
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    -6? where did that come from?

  6. Amenah8
    • one year ago
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    I got -6 by doing 12/-2.

  7. pooja195
    • one year ago
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    \[\huge~\rm~\frac{ −2y=−3x+12 }{ -2y=-2y-2y}\]

  8. Amenah8
    • one year ago
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    I did that except I didn't have it divided by -2y, I had -2 without the y.

  9. texaschic101
    • one year ago
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    keep in mind, when dividing by 2 negatives, the result is positive

  10. pooja195
    • one year ago
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    y=-3/2x-6

  11. Amenah8
    • one year ago
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    Ah, so that means that the answer would be a positive -6+3x/2.

  12. pooja195
    • one year ago
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    so yes :) good job! :)

  13. texaschic101
    • one year ago
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    y = 3/2x - 6

  14. texaschic101
    • one year ago
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    it need to be in y = mx + b form

  15. pooja195
    • one year ago
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    \(\color{blue}{\text{Originally Posted by}}\) @pooja195 y=-3/2x-6 \(\color{blue}{\text{End of Quote}}\)

  16. Amenah8
    • one year ago
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    Alright, thanks you two!

  17. texaschic101
    • one year ago
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    it is not -3/2....it is 3/2

  18. Amenah8
    • one year ago
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    Right.

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