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anonymous

  • one year ago

WILL FAN AND MEDAL I need help with the equation 22=-5(3k+1) I have tried solving for k but I cant figure it out

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  1. Mehek14
    • one year ago
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    do you know how to distribute?

  2. anonymous
    • one year ago
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    YES

  3. Mehek14
    • one year ago
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    then distribute -5(3k+1)

  4. anonymous
    • one year ago
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    IT BE 15K-5

  5. ♪Chibiterasu
    • one year ago
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    Now isolate K.

  6. Mehek14
    • one year ago
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    -5 * 3k = -15

  7. Mehek14
    • one year ago
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    -15k*

  8. Mehek14
    • one year ago
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    you forgot the negative sign

  9. anonymous
    • one year ago
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    WHAT!!

  10. anonymous
    • one year ago
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    22=-15k-5 27=-15k

  11. anonymous
    • one year ago
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    like dat foh

  12. Mehek14
    • one year ago
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    \(\bf{22 = -15k - 5}\) add 22 + 5 = 27 \(\bf{27=-15k}\) now divide

  13. anonymous
    • one year ago
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    HOW DO YOU ISOLATE THE VARIABLE

  14. anonymous
    • one year ago
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    divide

  15. Mehek14
    • one year ago
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    move everything to one side and keep the variable on the other

  16. ♪Chibiterasu
    • one year ago
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    You have to cancel out the values on one side. To remove the -5 you add 5 to both sides which will not change the value of the equation.

  17. ♪Chibiterasu
    • one year ago
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    Doing this gives you the value of the unknown variable.

  18. Mehek14
    • one year ago
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    since -15k = -15 x k you will divide 27/-15 and -15 x k / -15 that cancels out -15 on the right side leaving you with 27/-15 = k divide that to get your answer

  19. anonymous
    • one year ago
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    SO ITS -1.8

  20. Mehek14
    • one year ago
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    yes

  21. Mehek14
    • one year ago
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    k = -1.8

  22. ♪Chibiterasu
    • one year ago
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    Yeah. And if you want to make sure then you can input -1.8 into the equation and solve.

  23. anonymous
    • one year ago
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    i WISH I COULD GIVE YOU ALL MEDALS

  24. anonymous
    • one year ago
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    OOOOHHHH I FORGOT THANK YOU

  25. Mehek14
    • one year ago
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    yw ^_^

  26. anonymous
    • one year ago
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    Mehek14 go to another question in algebra so i can give you a medal

  27. ♪Chibiterasu
    • one year ago
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    ARe you sure it isn't 32 and not 22?

  28. ♪Chibiterasu
    • one year ago
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    Because when I plug in the value I get 32.

  29. anonymous
    • one year ago
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    its 22 im sure i have the paper right here

  30. ♪Chibiterasu
    • one year ago
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    22 = -5(5.4 + 1) 22 = -5(6.4) 22 = -32

  31. Mehek14
    • one year ago
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    you did it wrong chibiterasu :P

  32. ♪Chibiterasu
    • one year ago
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    I'm so stupid.

  33. ♪Chibiterasu
    • one year ago
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    Yeah thats right.

  34. Mehek14
    • one year ago
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    \(\bf{22=-5(3*-1.8+1)\\22=-5(-5.4+1)\\22=-5(-4.4)\\22=22}\)

  35. ♪Chibiterasu
    • one year ago
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    Yeah I got 6.4 and not 4.4 because I mixed up the value sign. WOOPS

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