Respuesta :

B=5
You need to get b by itself on the left side. 4b is multiplying 4 to b. You need to the opposite when you want the variable by itself. You would divide 4 to each side. 4 cancels out on the b so it turns into b. Then 4 divided by 20 is 5. B=5
samuelthankgod

Answer:

5

Step-by-step explanation:

4b= 20

to get b, you simply divide by 4

4b/4= 20/4

b= 5