Answers

2016-01-19T22:39:11+08:00
Let the son be x, and lebron be x+20.

in ten years, lebron would be x+20+10. there is also another given equation, which would mean that in ten years, he will also be 2(x+10), since he is twice the age of his son in ten years.

2(x+10)=x+20+10.
2x+20=x+30.
2x-x=-20+30.
x=10.

the son is ten, while lebron is 20. hope u understand xx
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