Respuesta :

Answer:

x = -18

Step-by-step explanation:

1/2x = -9

(21)1/2x = -9(2/1)

x = -9/1(2/1)

x = -18/1

x = -18

Answer:

x = -18

Step-by-step explanation:

1/2x = -9

Multiply each side by 2

1/2x * 2 = -9*2

x = -18