Answer:

26. 120

27. 5

28. 6/5

29. 30

30. 10

Step-by-step explanation:

26.

x = yz

x = (10)(12)

x = 120

27.

x = y/2

x = 10/2

x = 5

28.

x = z/y

x = 12/10

x = 6/5

29.

2x = yz/2

2x = (10)(12)/2

2x = 120/2

2x = 60

x/2 = 60/2

x = 30

30.

x/2 = y/2

x/2 = 10/2

2 (x/2 = 10/2)

x = 10

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