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Posted by on Thursday, August 26, 2010 at 10:02pm.

please help with math problem. Can you show me the work.

7(-7)-7(2-3)
____________
2(-6+9)

Thanks for your help!

  • mat115 - , Thursday, August 26, 2010 at 10:48pm

    I'm assuming this is a eraction:

    7(-7) - 7(2 -3) / 2(-6 + 9) =
    (-49 - 7*-1) / 2*3 = (-49 + 7) /6 =
    -42 /6 = -7.
































    / 6

  • mat115 - , Thursday, August 26, 2010 at 11:07pm

    Hi Henry,

    Can you tell me if the answer was -7/6 because that isn't one of my multiple choices. The multiple choices are -7; 10; -28/3; or -7/5. Thanks for clarification. I really appreciate your help.

  • mat115 - , Friday, August 27, 2010 at 12:13am

    7(-7)-7(2-3)
    ____________
    2(-6+9)

    top: 7(-7)-7(-1)= -49+7=-42
    bottom: 2(3)=6

    -42/6=?

  • mat115 - , Friday, August 27, 2010 at 1:24pm

    Yes, the answer is -42/6 = -7.

  • mat115 - , Friday, August 27, 2010 at 3:24pm

    Thank you so much Henry and Jen. I really appreciate your help.

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