Twenty percent of a number is 14 less than two-thirds

Twenty percent of a number is 14 less than two-thirds


Let this number be X
2x/3-x/5=14
10x-3x=210
7x=210
x=30



1.5 times of a number is 17 less than 2 / 3 of 27?
Have a complete formula. Thank you


(27*2/3-17)/1.5=2/3