70/х+18=23 5*х-46=54 28*х=7*12 80-х=94/2 с*16+22=70 100-36/х=91 23+14х=65 (х+39)-45=18 52-(а-12)=35 (71-х)+32=67 42-а/7=30 68/(а+15)=4 (24+х)*2=72

70/х+18=23

70/х=5

х=14

5х-46=54

5х=100

х=20

20х=7*12

20х=84

х=4,2

80-х=94/2

80-х=47

х=33

с*16+22=70

16с=48

с=3

100-36/х=91

36/х=9

х=4

23+14х=65

14х=42

х=3

х+39-45=18

х+39=63

х=24

52-(а-12)=35

а-12=17

а=29

(71-х)+32=67

71-х=35

х=36

42-а/7=30

а/7=12

а=84

68/(а+15)=4

а+15=17

а=32

(24+х)*2=72

24+х=36

х=12

x = 14

x = 20

x = 3

x = 33

c = 3

x = 4

x = 3

x = 24

a = 29

x = 36

a = 84

a = 2

x = 12