Question

памогите пажайуста дам 40 балов

Answer 1

.................................................

Answer 2

2/15/1/5x-1/3-1/12=1/24
2/15/1/5x-1/3=1/24+1/12
2/15/1/5x-1/3=3/24
1/5x-1/3=3/24*2/15
1/5x-1/3=5/12
1/5x=5/12+1/3
1,5x=9/12
x=9/12*10/15
x=3/6=1/2