Question 988943
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B=number of Bill's books; J=number of Jason's books=2B+4 
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B+J=22
B+2B+4=22
3B=18
B=6 ANSWER 1: Bill has 6 books
J=2B+4=2(6)+4=12+4=16 ANSWER 2: Jason has 16 books.
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CHECK:
B+J=22
6+16=22
22=22