Respuesta :

Answer:

17.) y= x/4

19.) y= (x-1)/3

Step-by-step explanation:

switch the x and y in both equations, so your equations should look like this:

17.) x= 4y

19.) x= 3y+1

17.) divide the 4 on both sides and your equation would be:

y= x/4

19.) subtract the 1:

x+1 = 3y

divide the 3:

y= (x-1)/3