Răspuns :
Răspuns:
1/2 - 1/5 x = 1/3
15 - 6x = 10
6x = 5
x = 5/6
x : 2/5 - 1/3 = 2/1
5/2 x - 1/3 = 2
15x - 2 = 12
15x =14
x = 14/15
x : 2/3 - 1/4 = 3/4
3/2 x - 1/4 = 3/4
6x - 1 = 3
6x = 4
x = 4/6 = 2/3
a)1/2-1/5x=1/3|•30. b)x:2/5-1/3=2/1. c)x:2/3-1/4=3/4
15-6x=10. x×5/2-1/3=2. x×3/2-1/4=3/4
-6x=10-15. 5/2x-1/3=2. 3/2x-1/4=3/4|•4
-6x=-5. 15x-2=12 6x-1= 3
x=5/6. 15x=12+2. 6x=3+1
15x=14. 6x=4
x=14/15. x=4/6=2/3