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9 September, 17:14

Solve 7d + d - 4d - 7 - 5d

+4
Answers (2)
  1. 9 September, 17:34
    0
    1, Simplify 7d+d-4d-7 7d+d-4d-7 to 4d-7 4d-7

    4d-7=5d 4d-7=5d

    2. Subtract 4d 4d from both sides

    -7=5d-4d - 7=5d-4d

    3. Simplify 5d-4d 5d-4d to dd

    -7=d - 7=d

    4. Switch sides

    d=-7 d=-7

    5. so your answer would be - 7
  2. 9 September, 17:40
    0
    -1d-7 is the answer I'm pretty sure
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