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Dani101 Group Title

How do you do y=x-v/b

  • 2 years ago
  • 2 years ago

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  1. AEB047 Group Title
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    for what variable?

    • 2 years ago
  2. Dani101 Group Title
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    For x

    • 2 years ago
  3. jim_thompson5910 Group Title
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    Is the equation \[\Large y = \frac{x-v}{b}\] OR \[\Large y = x-\frac{v}{b}\] ??

    • 2 years ago
  4. Dani101 Group Title
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    the first one

    • 2 years ago
  5. jim_thompson5910 Group Title
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    your first step is to multiply both sides by 'b'

    • 2 years ago
  6. jim_thompson5910 Group Title
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    what do you get when you do this?

    • 2 years ago
  7. Dani101 Group Title
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    But i thought you cant multiply a different variable with another

    • 2 years ago
  8. jim_thompson5910 Group Title
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    you can, there's no rule that says you can't

    • 2 years ago
  9. jim_thompson5910 Group Title
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    x times y is just xy (sure we can't find the numeric value of that, but we can just say it's xy)

    • 2 years ago
  10. Dani101 Group Title
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    Im confused, so like you multiply b by x and b by v?

    • 2 years ago
  11. jim_thompson5910 Group Title
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    you just multiply both sides by 'b' to get \[\Large y = \frac{x-v}{b}\] \[\Large yb = x-v\] what's next?

    • 2 years ago
  12. Dani101 Group Title
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    oh, um i really don't know, my teacher didn't really explain this to us. Don't you just leave the problem like that since you cant do anything else?

    • 2 years ago
  13. jim_thompson5910 Group Title
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    no, you can add 'v' to both sides and this completely isolates x

    • 2 years ago
  14. jim_thompson5910 Group Title
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    \[\Large yb = x-v\] \[\Large yb+v = x-v+v\] \[\Large yb+v = x\] \[\Large x = yb+v\]

    • 2 years ago
  15. jim_thompson5910 Group Title
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    and now you're done

    • 2 years ago
  16. Dani101 Group Title
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    Ohhhh, Thank you very much that was helpful

    • 2 years ago
  17. jim_thompson5910 Group Title
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    yw

    • 2 years ago
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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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