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7th grade math Ms. Sue

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2.
6x + 29 = 5 (1 point)

–4
–18
204
–144

9.
Raymond buys bottles of water at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of water b did he buy? (1 point)

2.10b + 12.99 = 21.39; 4 bottles
2.10 + 12.99b = 21.39; 4 bottles
2.10c = 21.39 + 12.99; 6 bottles
21.39 – 2.10b = 12.99; 16 bottles

For #2, Is the answer -18? Yes, there is no typo.....

  • 7th grade math Ms. Sue - ,

    No.
    6x + 29 = 5
    6x = 5 - 29
    6x = -24
    x = -24/6
    x = -4

    OK. 9 looks right now. I think I was misreading it before.

    Here's the answer.

    2.10b + 12.99 = 21.39; 4 bottles

  • 7th grade math Ms. Sue - ,

    Thanks! They were all right!

  • 7th grade math Ms. Sue - ,

    You have to watch out for me. I've learned that no matter how I try, I'll make a mistake about 5% of the time.

    :-)

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