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Posted by on Saturday, November 23, 2013 at 5:35pm.

Combine like terms: 11r + 3 - 12 + 2r

  • Math - , Saturday, November 23, 2013 at 5:37pm

    11r + 2r = 13r

    3 - 12 = -9

    13r-9

  • Math - , Saturday, November 23, 2013 at 5:49pm

    13r-9

  • Math - , Sunday, November 24, 2013 at 9:28am

    thanks

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