Respuesta :

Answer:

x = 9

Step-by-step explanation:

-2x = 18 - 4x

-2x + 4x = 18

2x = 18

x = 18/2

x = 9

Answer:

x=9

Step-by-step explanation:

-2x = 18 -4x

+4x        +4x

2x  = 18

÷2    ÷2

x=9