SOLUTION: what is the answer for 4p+5-7p=-1

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Question 968255: what is the answer for 4p+5-7p=-1
Answer by checkley77(12844) About Me  (Show Source):
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4p+5-7p=-1
-4P+7P=-1-5
3P=-6
P=-6/3
P=-2
PROOF:
4*2+5-7*2=-1
8+5-14=-1
13-14=-1
-1=-1