Respuesta :

Answer:

Step-by-step explanation:

15x + 12 + 10 - 20 = 12

15x + 22 - 20 = 12

15x + 2 = 12

15x = 12 - 2

15x = 10

x = 10/15 which reduces to 2/3

Answer:

Step-by-step explanation:

15x + 12 + 10 - 20 = 12

15x + 22 - 20 = 12

15x + 2 = 12

15x = 12 - 2

15x = 10

x = 10/15 which reduces to 2/3