Question 88162
4x – 6y = –30 


Get the x term isolated by adding +6y to each side:
4x = 6y-30


Divide both sides by 4.  There are two ways to write this:
{{{(4x)/4 = (6y-30)/4}}} or {{{(4x)/4 = ((6y)/4)-(30/4)}}}
{{{x = (2(3y-15))/4}}} or {{{x = ((3y)/2)-(15/2)}}} 
{{{x = (3y-15)/2}}} 

R^2