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daboss33 Group Title

What is the solution of the equation? 4p/6 + 27= 39 A. 22 B. 99 C. 4 D. 18

  • 2 years ago
  • 2 years ago

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  1. RyanL. Group Title
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    We want to isolate p so the first step would be to subtract 27 to both sides. What do you get then?

    • 2 years ago
  2. daboss33 Group Title
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    can you please explain a little more

    • 2 years ago
  3. RyanL. Group Title
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    We want p to be by itself on one side. That means that everything expect the p on the left hand side must go away. We have a positive 27 on the left hand side. We want to get rid of it and we do this by subtract it by 27. But we must remember if we do something on one side we must also do the same exact thing on the other side. That's why I said subtract both sides by 27. Understand?

    • 2 years ago
  4. daboss33 Group Title
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    ok i got it i think but how would i subtract 27 from a fraction

    • 2 years ago
  5. RyanL. Group Title
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    you don't it cancels out the +27 and it goes away.

    • 2 years ago
  6. daboss33 Group Title
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    scratches head umm ok so 27 minus 27 equals zero

    • 2 years ago
  7. RyanL. Group Title
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    yes

    • 2 years ago
  8. RyanL. Group Title
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    4p/6 + 27= 39 Subtract 27 to both sides 4p/6 + 27-27= 39-27 now you get 4p/6 + 0= 39-27 then the right sides simplifies to 4p/6 + 0= 12 zero goes away 4p/6 = 12

    • 2 years ago
  9. RyanL. Group Title
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    Follow so far?

    • 2 years ago
  10. daboss33 Group Title
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    yes i think so

    • 2 years ago
  11. RyanL. Group Title
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    It's ok if you get confuse just read over the posts again. We have this now 4p/6 = 12 I'm going write it in a program so you can see it in a different way. It's still the same problem it just looks nicer now \[\frac{4}{6}p= 12 \]

    • 2 years ago
  12. RyanL. Group Title
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    You then have to multiply both sides by 6. This will get rid of the 6 in the fraction from the left hand side.

    • 2 years ago
  13. RyanL. Group Title
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    You then have to multiply both sides by 6. This will get rid of the 6 in the fraction from the left hand side. \[6*\frac{4}{6}p =12*6\\4p =12*6\\4p=72\]

    • 2 years ago
  14. RyanL. Group Title
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    The last step will be to divide both sides by 4. This will get rid of the 4 on the left hand side.

    • 2 years ago
  15. daboss33 Group Title
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    18

    • 2 years ago
  16. RyanL. Group Title
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    yes you are right p=18 good job!

    • 2 years ago
  17. daboss33 Group Title
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    dude you rock lol feel like helping me with a few more??

    • 2 years ago
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