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LonelyandForgotten

  • one year ago

i need help with this question..

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  1. LonelyandForgotten
    • one year ago
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  2. lovemenplayhard
    • one year ago
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    \[25-\frac{ 3 }{ 7 }f=19+\frac{ 4 }{ 7 }f\] bring like terms 2gether

  3. lovemenplayhard
    • one year ago
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    add 3/7 f on both sides

  4. LonelyandForgotten
    • one year ago
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    how do you add a fraction?

  5. lovemenplayhard
    • one year ago
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    \[25-\frac{ 3 }{ 7 }f+\frac{ 3 }{ 7 }f=19+\frac{ 4 }{ 7 }f+\frac{ 3 }{ 7 }f\]

  6. lovemenplayhard
    • one year ago
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    take LCM

  7. LonelyandForgotten
    • one year ago
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    huh :(

  8. lovemenplayhard
    • one year ago
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    \[25-19=\frac{ 4 }{ 7 }f+\frac{ 3 }{ 7 }f=\frac{ 4+3 }{ 7 }f=\frac{ 7 }{ 7 }f =f\] f=6, does dat help?

  9. lovemenplayhard
    • one year ago
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    u got common denominator in fraction just add the numerator

  10. LonelyandForgotten
    • one year ago
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    i guess...

  11. lovemenplayhard
    • one year ago
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    kewl ;)

  12. LonelyandForgotten
    • one year ago
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    thanks :) i'll try to firgure it out

  13. lovemenplayhard
    • one year ago
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    ur welcme ;)

  14. LonelyandForgotten
    • one year ago
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    figure* lol

  15. LonelyandForgotten
    • one year ago
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    :)

  16. lovemenplayhard
    • one year ago
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    ;)

  17. LonelyandForgotten
    • one year ago
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    @lovemenplayhard help please :( 4c + 7 + 6c =23

  18. LonelyandForgotten
    • one year ago
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    do i subtract here?

  19. lovemenplayhard
    • one year ago
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    add like terms 4c+6c+7=23 10c+7=23 subtract 7 both the sides 10c+7-7=23-7 10c=16

  20. lovemenplayhard
    • one year ago
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    later divide both da sides by 10\[\frac{ 10 c}{ 10 }=\frac{ 16 }{ 10 }=\frac{ 8 }{ 5 }=c\]

  21. lovemenplayhard
    • one year ago
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    does dat hlp?

  22. LonelyandForgotten
    • one year ago
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    so last one i divide 8/5?

  23. LonelyandForgotten
    • one year ago
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    it's 1.6 ?

  24. lovemenplayhard
    • one year ago
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    finaly ur gonna get c=1.6

  25. LonelyandForgotten
    • one year ago
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    but its not one of the answers, how could it be 1.6?

  26. lovemenplayhard
    • one year ago
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    16/10=1.6 or 8/5

  27. LonelyandForgotten
    • one year ago
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    hmm okay then i guess its not one of them :/

  28. lovemenplayhard
    • one year ago
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    wat r ur options?

  29. LonelyandForgotten
    • one year ago
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    A. Not given B. c =18 B. c = -8 C. c = -18

  30. lovemenplayhard
    • one year ago
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    A

  31. LonelyandForgotten
    • one year ago
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    okay thats what i thought too :P

  32. lovemenplayhard
    • one year ago
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    kewl ;)

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