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13 November, 08:43

D - 10 - 2d + 7 = 8 + d - 10 - 3d

A. d = - 5

B. d = - 1

C. d = 1

D. d = 5

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Answers (1)
  1. 13 November, 08:56
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    I think its option D. d=5

    Step-by-step explanation:

    After writing the question rearrange into same sides

    d-2d-d+3d=8-10+10-7

    d-d-2d+3d=12-7

    -2d+3d=5

    d=5
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