(х-3):4=6
х:4-3=6
36:(х-2)=4
36:х-2=4

Пошаговое объяснение:

1. (x - 3)÷ 4 = 6

x - 3 = 6 × 4

x - 3 = 24

x = 24 + 3

2. x ÷ 4 - 3 = 6

x ÷ 4 = 6 + 3

x ÷ 4 = 9

x = 9 × 4

3. 36 ÷ ( x - 2) = 4

x - 2 = 36 ÷ 4

x - 2 = 9

x = 9 + 2

4. 36 ÷ x - 2 = 4

36 ÷ x = 4 + 2

36 ÷ x = 6

x = 36 ÷ 6