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sammy5592

  • 2 years ago

–3x + 2y = 8 change to slope intercept form show all steps.

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  1. Bidoof
    • 2 years ago
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    Slope intercept form is y=mx+b Step 1: Isolate the term with the y variable

  2. sammy5592
    • 2 years ago
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    2y=11

  3. Bidoof
    • 2 years ago
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    You can't combine 3x and 8 because 3x has a variable and 8 doesn't

  4. sammy5592
    • 2 years ago
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    ok so?

  5. Bidoof
    • 2 years ago
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    It will be 2y=3x+8, but you still have to remove the number attached to y by dividing both sides by that number

  6. sammy5592
    • 2 years ago
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    how do you do that

  7. sammy5592
    • 2 years ago
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    @hal_stirrup

  8. sammy5592
    • 2 years ago
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    can you help ?

  9. hal_stirrup
    • 2 years ago
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    Don't you know how to manipulate equations ?

  10. sammy5592
    • 2 years ago
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    no

  11. hal_stirrup
    • 2 years ago
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    then you should go back to basic equations and practice that so you can get this. dont build a house of card . solid maths foundation is key.

  12. Bidoof
    • 2 years ago
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    You need to divide both sides by 2 to remove the 2 that is with the y variable If it was a fraction, you would multiply by the denominator to cancel it out

  13. Bidoof
    • 2 years ago
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    For the other side, simply divide both terms by 2 to get your answer.

  14. sammy5592
    • 2 years ago
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    2y=3x+8 3x 4y ??

  15. hal_stirrup
    • 2 years ago
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    ok . lets say y/2=x solve for x? what operator do you need to use?

  16. sammy5592
    • 2 years ago
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    idkk :(

  17. hal_stirrup
    • 2 years ago
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    think about it.

  18. sammy5592
    • 2 years ago
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    divide?

  19. hal_stirrup
    • 2 years ago
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    divide what?

  20. sammy5592
    • 2 years ago
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    y and 2?

  21. hal_stirrup
    • 2 years ago
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    nop

  22. sammy5592
    • 2 years ago
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    dammit

  23. hal_stirrup
    • 2 years ago
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    ok if i say to you make y/2 to y what do you have to do. note that y/2 is really \[y\frac{ 1 }{ 2 }\]

  24. sammy5592
    • 2 years ago
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    darn idk

  25. sammy5592
    • 2 years ago
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    Sh!+

  26. hal_stirrup
    • 2 years ago
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    please go to this link http://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/v/simple-equations

  27. hal_stirrup
    • 2 years ago
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    its easy . trust me. ;)

  28. sammy5592
    • 2 years ago
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    Can you just please give me the answer? this is the last question.

  29. hal_stirrup
    • 2 years ago
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    no sorry NOT allowed . website rules.

  30. sammy5592
    • 2 years ago
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    rules are mint to be broken

  31. sammy5592
    • 2 years ago
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    JK

  32. hal_stirrup
    • 2 years ago
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    no not here and not for me.

  33. abigail2010
    • 2 years ago
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    Alright sounds like people are harsh over here. The slope formula is mx+b=y So thus you need to get the equation above like it.. -3x+2y=8 First, I would add 3x to both sides. So it's like 3x+(-3x) +2y = 8 -3x, the 3x's on the left will cancel. So you will get 2y = 8-3x. So now it's almost in the mx + b =y form you have have the extra 2 in the 2y So now you need to divide both equations by 2 to eliminate the 2y. Thus it would be like... 2y/2 = 8-3x/2 or you can write it like y = 8/2-3x/2... finally the 8/2 can be reduced to 4 SO finally the answer would be... y = 4 - 3/2x

  34. abigail2010
    • 2 years ago
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    actually time out let me fix that.. it won't be -3/2x it should be +3/2x it will actually be y = 4 + 3/2x

  35. sammy5592
    • 2 years ago
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    Thank you very much

  36. abigail2010
    • 2 years ago
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    You're welcome!

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