SOLUTION: In 8 years Joe will be twice the age he was 4 years ago. Now Joe is: 1=8, 2=16,or 3=14

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Question 473331: In 8 years Joe will be twice the age he was 4 years ago. Now Joe is: 1=8, 2=16,or 3=14
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
Let x is Joe's age now
In 8 years Joe will be %28x%2B8%29 years old
4 years ago Joe was %28x-4%29
In 8 years Joe will be twice the age he was 4 years ago, so x%2B8=2%28x-4%29
x%2B8=2x-8
x-2x=-8-8
-x=-16divide by -1
x=16
Answer 2=16