Respuesta :

Yang100

Answer:

8

Step-by-step explanation:

4x-12=20

4x=20+12

4x=32

x=32/4

x=8

ceeceelafarga

Answer:

x = 8

Step-by-step explanation:

1. 4x - 12 = 20

2. Add 12 to both sides.

3. 4x - 12 =20

4.    + 12  + 12

5.      4x = 32

6. Divide both sides by 4

7. [tex]\frac{4x}{4}=\frac{32}{4}[/tex]

8. x = 8