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Math

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HELP! can you check and help me with some of these?
1. y + 8 = -15
My answer: -7

2.3x = 27
My answer: 9

3. 5 + a = -19
My answer:-24

4. x + 1/3 = 5/6
My answer: NEED HELP WITH THIS ONE

5. -54 = -6y
My answer: 9

6. a/3 = -11
My answer: -33

7.19.5 = -39.5 + f
My answer: -20

8.p - 1/3 = 2/7
My answer: 2/7

9. -x/11 = -6.1
My answer: I NEED HELP WITH THIS ONE

10. -9 = -t/2
My answer: I NEED HELP WITH THIS ONE

11. 13.7 - x = -56.9
My answer: I NEED HELP WITH THIS ONE

12. -43 = 21 - m
My answer: I NEED HELP WITH THIS ONE

  • Math -

    Please rethink 7 and 8. The other answers are correct.

    4.
    x + 1/3 = 5/6
    x = 5/6 - 1/3
    x = 5/6 - 2/6
    x = ?

    9.
    -x/11 = -6.1
    -x = -6.1 * 11
    x = 67.1

    10.
    -9 = -t/2
    -18 = -t
    18 = t

    Please try 11 and 12 yourself.

  • Math -

    so does #4 equal 5/6? That's what i got.

    I actually don't get number 11. or 12., how are you suppose to set it up?

  • Math -

    No.
    x = 5/6 - 2/6
    x = ?

    Do 11 and 12 the same way I showed you on the other problems.

  • Math -

    but on 11 and 12 you have to add the opposite to m. i don't get how to do that

    is #4 one half?

  • Math -

    Yes. 4 is 3/6 = 1/2

    11.

    13.7 - x = -56.9
    -x = -13.7 + (-56.9)
    -x = -70.6
    x = 70.6

  • Math -

    i figured the rest out! thank you so much! I love jiskha!

    P.S- Ms.Sue, i really thank you, you volunteer and help so many students, including me. Sorry for asking so much! i just got in high school, and really need the help daily. Are you the owner of Jiskha? :) thanks, love bryce

  • Math -

    I knew you could figure them out, Bryce. :-)

    You're very welcome. I really enjoy helping students. And no, I'm not the owner of Jiskha.

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