Ben is 30 years old and daniel is 2 years old. how many years will it take until ben is only 3 times as old as daniel?

Ben's age in x yeears=30+x

daniel's age in x years is 2+x

when will ben's age in x years be 3 times of daniel's age in x years

30+x=3 (2+x)

30+x=6+3x

minus x both sides

30=6+2x

minus 6 both sides

24=2x

divide by 2 both sides

12=x

answer is in 12 years