Half of a number added to a fifth of three less than the number is equal to two-thirds the number. What is the number?

my answer: the number is 18

1 answer

x/2 + (x-3)/5 = 2/3x

x/30 + (6x-18)/30 = 20/30x

15x + 6x - 18 = 20x

18 = x

That's my answer too.