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Posted by on Wednesday, May 2, 2012 at 11:00pm.

can you help me with this please
-19-12+2-(-21)+11-(-5)

  • math - , Wednesday, May 2, 2012 at 11:10pm

    - 19 - 12 + 2 - ( -21 ) + 11 - ( - 5 ) =

    - 19 - 12 + 2 + 21 + 11 + 5 =

    2 + 21 + 11 + 5 - 19 - 12 =

    39 - 19 - 12 =

    20 - 12 = 8

  • math - , Thursday, May 3, 2012 at 2:15am

    PEMDAS

    parenthesis, exponent, multiply, divide, add, subtract (these are the order of operation follow them in that order like bosnan did)
    he multiply the parenthesis by whats nexxt to it first and then added and subtract everything

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