Respuesta :

Step-by-step explanation:

-3(1-7v) = 102

÷ -3 ÷ -3

1-7v = -34

-1. -1

-7v = -35

÷-7. ÷-7

v = 5

Answer:

V=5

Step-by-step explanation:

-3(1-7v)=102

-3+21v=102

21v=102

v=5