Respuesta :

Answer:

B

Step-by-step explanation:

45x=140-5

x=135:45

x=3

(B)

Answer:

B

Step-by-step explanation:

 45x + 5 = 140  find x

 45x + 5 = 140

45x = 140 - 5

45x = 135

x = 135/45

x = 3