Question

-3y = 2x -9 solve for y

Answer 1

$-3y = 2x -9$ 

$y= \dfrac{2x-9}{-3}$          $Divide \ both \ sides \ by \ -3$

$y= -\dfrac{2x-9}{3}$  

Answer 2

first divide by 3

y = -2/3x +3 

y equals negative two-thirds x plus three