Можете решит пожалуйста срочно

Ответ:

1)

2.67x + 1.33x = 18

4x = 18 /:4

x = 4.5

2)

12.6x - 8.9x + 2.3x = 0.54

6x = 0.54 /:6

x = 0.09

3)

32.7x + 94.5x - 27.2x = 7

100x = 7 /:100

x = 0.07

4)

7.34x - 2.56x + 23.22x = 5.74

28x = 5.74 /:28

x = 0.205

5)

6x - 4.33x + 10.33x = 12.48

12x = 12.48 /:12

x = 1.04