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Anna35 [415]
3 years ago
8

Solve for d. a. -1d-3d=39

Mathematics
2 answers:
Lubov Fominskaja [6]3 years ago
6 0
Answer:
d=-9.75

Explanation:

-1d-3d=-4d

39/-4=-9.75
AVprozaik [17]3 years ago
4 0

Answer:

  .  Step-by-step explanation:

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