SOLUTION: the sum of the page numbers on facing pages of a book is 157, what are the page numbers?

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Question 161404: the sum of the page numbers on facing pages of a book is 157, what are the page numbers?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x+(x+1)=157
2x+1=157
2x=157-1
2x=156
x=156/2
x=78 for the left hand page number.
78+1=79 for the right hand page number.
Proof:
78+79=157
157=157