1)x + 2/2,4 = 8,5/6,8
x + 2/2,4 = 1 1/4
x +5/6 = 1 1/4
x = 1 1/4-5/6
x =5/12
2) 1/6 : x = 2 : 3 3/7
1/6 : x =7/12
x=7/12:1/6
x=3,5
