Math

posted by Stuart

12 - 9 = 15d + 9? please help with operations

  1. Ms. Sue

    Please do not keep posting the same problem over and over. You try to do this one, and I'll check your work in an hour.

  2. Anonymous

    12-9=15d+9

    3=15d+9

    3-9=15d

    -6=15d

    15d= -6

    3*5*d= -3*2 Divide with 3

    5d= -2 Divide with 5

    d= -2/5= -0.4

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