Respuesta :

25kkem

Answer:

x = 12

Step-by-step explanation:

12x - 4 = 10x - 10 + 30

12x - 4 = 10x + 20

12x - 10x = 20 + 4

2x = 24

x = 12

Insta: 25k_kem

Answer:

x=12

Step-by-step explanation: