Respuesta :

amna04352

Answer:

b = -1

Step-by-step explanation:

y = 2x + b

When x = b, y = -3

-3 = 2b + b

-3 = 3b

b = -1

devishri1977

Answer:

Step-by-step explanation:

(b,-3)

y = 2x +b

-3 = 2b + b

-3 = 3b

3b = -3

b = -3/3

b = -1