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LonelyandForgotten

i need help with this question..

  • one year ago
  • one year ago

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

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

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

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

    • one year ago
  6. lovemenplayhard
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    take LCM

    • one year ago
  7. LonelyandForgotten
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    huh :(

    • one year ago
  8. lovemenplayhard
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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?

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

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

    • one year ago
  11. lovemenplayhard
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    kewl ;)

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

    • one year ago
  13. lovemenplayhard
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    ur welcme ;)

    • one year ago
  14. LonelyandForgotten
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    figure* lol

    • one year ago
  15. LonelyandForgotten
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    :)

    • one year ago
  16. lovemenplayhard
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    ;)

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

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

    • one year ago
  19. lovemenplayhard
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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

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

    • one year ago
  21. lovemenplayhard
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    does dat hlp?

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

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

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

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

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

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

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

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

    • one year ago
  30. lovemenplayhard
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    A

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

    • one year ago
  32. lovemenplayhard
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    kewl ;)

    • one year ago
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