Respuesta :

Answer:

A. x+5 b. 4b+12c+11

Step-by-step explanation:

2(x+10)

2*x = 2x

2*10 = 20

2x+10

divide to simplify

x+5

B.

3(4b+12c+11)

12b+36c+33

4b+12c+11

A = 2x+20
B= 12b+36c+33