1)

7,5x = 35,88

x = 35,88 : 7,5

x = 4,784

4)

3 2/11x = 35

x = 35 : 3 2/11

x = 35 * 11/35

x = 11

7)

x : 3,05 = 9,4

x = 9,4 * 3,05

x = 28,67

10)

27 7/12 : x = 3,31

x = 27 7/12 : 3,31

x = 331/12 : 331/100

x = 331/12 * 100/331

x = 25/3 = 8 1/3