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13 April, 02:41

Solve for d.

-9d = - 10d + 9

d =

+2
Answers (2)
  1. 13 April, 03:04
    0
    -9d + 10d = 9

    10d - 9d = 9

    d = 9
  2. 13 April, 03:05
    0
    Correct me if I'm terribly wrong Answer:

    -9d = - 10d + 9

    +10d + 10d (Add 10d on both sides)

    1d = 9

    Divide by 1 on both sides

    d=9
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