SOLUTION: 5 years ago, john age was half of the age he will be in 8 years.how old is he now

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Question 466358: 5 years ago, john age was half of the age he will be in 8 years.how old is he now
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
j-5=1/2(j+8)
2j-10=j+8
j=18
John is 18 years old..