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thatgirl666

  • one year ago

Solve? 4/5y+2=6

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  1. ash2326
    • one year ago
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    \[\frac 4 5 y+2=6\] Subtract both sides by 2, what would you get? \[\frac 4 5 y +2- 2= 6-2\]

  2. thatgirl666
    • one year ago
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    4/5 y= 4?

  3. ash2326
    • one year ago
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    Yes, good :D Now multiply both sides by 5

  4. thatgirl666
    • one year ago
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    how do i multiply a fraction by 5?

  5. ash2326
    • one year ago
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    \[\frac 4 5 y= 4\] \[(\frac 4 5 \times 5 ) y= 4\times 5\] \[(\frac 4 {\cancel 5} \times \cancel 5 ) y= 4\times 5\] \[4y=4\times 5\] Do you get this?

  6. ash2326
    • one year ago
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    @thatgirl666 ????

  7. thatgirl666
    • one year ago
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    Not really so the answer is 20?

  8. thatgirl666
    • one year ago
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    Nevermind. i then divide by 4 and it equals 5

  9. ash2326
    • one year ago
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    Yeah, let me explain you the multiplication of fractions

  10. thatgirl666
    • one year ago
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    Ok

  11. ash2326
    • one year ago
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    Suppose you have the fraction \[\frac a b \] You need to multiply by a no. say c \[\frac ab \times c=\frac{a\times b}c\] If you had to multiply by 1/c \[\frac ab \times \frac 1 c=\frac a {b\times c}\] here \[a \ne b \ne c\] Do you get this?

  12. thatgirl666
    • one year ago
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    Yes i do now Thank you

  13. ash2326
    • one year ago
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    If you multiply a/b by b, what would you get?

  14. ash2326
    • one year ago
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    \[\frac a b \times b= ???\]

  15. thatgirl666
    • one year ago
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    c

  16. ash2326
    • one year ago
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    We don't even have c in the expression \[\frac 2 4 \times 4=???\]

  17. thatgirl666
    • one year ago
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    *Question Closed*

  18. ash2326
    • one year ago
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    It's a simple thing, you should learn it

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