SOLUTION: Phoebe has 170 stamps in her collection her first book has 30 more stamps in it than her second book how many stamps are in each book

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Question 814669: Phoebe has 170 stamps in her collection her first book has 30 more stamps in it than her second book how many stamps are in each book
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x=30+y
x+y=170
30+y+y=170
2y=140
y=70
x=100