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posted by Jamel Thursday, February 23, 2012 at 7:45pm.

-12d - 9= 15d+9

-12d - 9= 15d+9 -12d + (-15d) = 9 + 9 -27d = 18 d = -18/27 d = - 0.67

having problems with formulas, can you explain how you answered this problem ty

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