Answered

-2a = b -15: where a = -3

Sagot :

GauthmathDaisyviz

Answer:

b = 21

Step-by-step explanation:

-2a = b -15

-2(-3) = b - 15

6 = b - 15

6 + 15 = b

b = 21

answered by g a u t h m a t h