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