Question

2/3x=1. 5x=1/6. 4x=1/4. 7x=20

Answer 1

1)x= 1/ 2/3 =1/1 * 3/2 =3/2
2)x=1/6 / 5 =1/6* 1/5 = 1/30
3)x= 1/4 / 4= 1/4* 1/4 = 1/16
4)x= 20/7= 20/1 * 1/7= 20/7
   

Answer 2

спасибо