Question

resolva a equação x-1/15=x/20

Answer 1

x - 1/15 = x/20
x - x/20 = 1/15
(60x - 3x)/60 = 4/60
57x = 4
x = 4/57

15,20: 2
15,10: 2
15,5: 3
5,5: 5
1,1 = 2.2.3.5 = 4.15= 60

R.: x = 4/57