Question 994186
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P=Peter's age; J=John's age=P+12
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J-4=3(P-4)
(P+12)-4=3P-12
P+8=3P-12
20=2P
10=P
Peter is 10 years old.
x=10 years
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J=P+12=10+12=22
John is 22 years old.
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No statements were given to select.