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anonymous

  • 5 years ago

PLEASE HELP! 7v-1/2=6/5v-3/5

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  1. anonymous
    • 5 years ago
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    5(7v-1/2) = 5(6/5v-3/5) 35v-5/2=6v-3 29v= 3+5/2 v= 11/2/29 v=11/58

  2. anonymous
    • 5 years ago
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    that is incorrect :/

  3. myininaya
    • 5 years ago
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    I like to get rid of fractions so multiply both sides by 10 so we have 70v-5=12v-6 70v-12v=-6+5 58v=-1 v=-1/58

  4. anonymous
    • 5 years ago
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    Yep, it should be -1/58

  5. anonymous
    • 5 years ago
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    ok what about 1/5w+4/3=7/3w-4 ??

  6. myininaya
    • 5 years ago
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    like i said i like to get rid of the fractions multiply both sides by 15 3w+20=35w-60 3w-35w=-60-20 -32w=-80 w=80/32=5/2

  7. anonymous
    • 5 years ago
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    what do u mean by both sides?

  8. anonymous
    • 5 years ago
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    what do u multiply by 15?

  9. anonymous
    • 5 years ago
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    By both sides myininaya probably means to multiply the terms on the right and left of the = sign by that amount.

  10. anonymous
    • 5 years ago
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    i'm confused :/

  11. anonymous
    • 5 years ago
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    can you show me with this example? 5/4*u+3/4=1/3*u+7

  12. myininaya
    • 5 years ago
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    you don't have to get rid of the fractions you could just work with them w/5-7w/3=-4-4/3 (3w-35w)/15=(-12-4)/3 -32w/15=-16/3 w=(-16/3)(15/-32)=5/2

  13. anonymous
    • 5 years ago
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    see like this one....u multiply every single fraction by 15 to get rid of the fractions?

  14. myininaya
    • 5 years ago
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    do u see that we have fractions in this new problem right?

  15. anonymous
    • 5 years ago
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    yess

  16. myininaya
    • 5 years ago
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    what do you see on the bottoms of these fractions? you see the numbers 4 and 3, right?

  17. anonymous
    • 5 years ago
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    yes

  18. myininaya
    • 5 years ago
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    4*3=12 so multiply both sides by 12

  19. myininaya
    • 5 years ago
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    what do you get?

  20. anonymous
    • 5 years ago
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    what number do i multiply 12 with?

  21. myininaya
    • 5 years ago
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    what is 12*5u/4 what is 12*(3/4) what is 12*(u/3) what is 12*7

  22. anonymous
    • 5 years ago
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    ohhh okayy

  23. myininaya
    • 5 years ago
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    15u 9 4u 84

  24. myininaya
    • 5 years ago
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    so we have 15u+9=4u+84

  25. anonymous
    • 5 years ago
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    k i think i can do it from here. let me see if i can figure it out

  26. myininaya
    • 5 years ago
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    k brb

  27. anonymous
    • 5 years ago
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    is it 6.81 ???

  28. anonymous
    • 5 years ago
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    6 81/100 ??? i dont think that's right :/

  29. anonymous
    • 5 years ago
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    or 17/11 ??

  30. myininaya
    • 5 years ago
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    you still there?

  31. myininaya
    • 5 years ago
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    15u-4u=84-9 11u=75 u=75/11

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