Respuesta :

Answer:

20

Step-by-step explanation:

2(12) - 4.  24 - 4= 20

Answer:

x = 8

Step-by-step explanation:

12 = 2x - 4

16 = 2x

8 = x

Check by plugging in:

12 = 2(8) - 4

12 = 16 -4

12 = 12

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