Respuesta :

Answer:i have no idea but go back to your math book and lesson and check :p

Step-by-step explanation:

Answer:

84, 91, 98, 105

Step-by-step explanation:

7x + 7 (x+1) + 7(x+2) + 7(x+3) = 378

28x + 42 = 378

28x = 336

x = 12

7x12, 7x13, 7x14, 7x15   i.e. 84, 91, 98, 105

check: 84 + 91 + 98 + 105 = 378