45 if my math i right :)\
Answer:
6+(2x+4)=1/2-(3+x) okay I hope this is it.
Good luck on this.
I think Vivek is 20 and his father is 50
Because 30 + 30 equals 60 as he has to be half his age he'll be 30 but that's in 10 years time. you just subtract 30 and 60 by 10 and you'll get 20 and 50