SOLUTION: what is the answer to this using cross multiplying? -1/5=3/2d

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Question 218959: what is the answer to this using cross multiplying? -1/5=3/2d
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
-1/5=3/2d
-1/5=3D/2
15D=-2
D=-2/15 ANS.
PROOF:
-1/5=3(-2/15)/2
-1/5=-6/15*1/2
-1/5=-6/30
-1/5=-1/5