Respuesta :

Step-by-step explanation:

V=-2w+31 over 15

w=-15v+31 over 2

Answer:

In Equation 2 Make 3v the Subject Of The Formula.(3v= 3+4w)

Sub Equation 3 In equation 2(3+4w-4w=3)

4w-4w=3-3

w=0