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Posted by on Tuesday, September 25, 2012 at 8:05pm.

can u please help me

7r-(6r-5)= 7

thank u

  • math - , Tuesday, September 25, 2012 at 8:08pm

    7r-(6r-5)= 7

    r + 5 = 7

    r - 5 + 5 = 7 - 5

    r = 2

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