Move the x term to the right side, then divide everything by 3:
2x+3y=3
3y+2x=3
3y+2xcolor(blue)-color(blue)(2x)=3color(blue)-color(blue)(2x)
3ycolor(red)cancelcolor(black)(color(black)+2xcolor(blue)-color(blue)(2x))=3color(blue)-color(blue)(2x)
3y=3color(blue)-color(blue)(2x)
3y=-2x+3
color(blue)(color(black)(3y)/3)=color(blue)(color(black)(-2x+3)/3)
color(blue)(color(black)(color(red)cancelcolor(black)3y)/color(red)cancelcolor(blue)3)=color(blue)(color(black)(-2x+3)/3)
y=color(blue)(color(black)(-2x+3)/3)
y=color(blue)(color(black)(-2x)/3)+color(blue)(color(black)3/3)
y=color(blue)(color(black)(-2x)/3)+1
y=-2/3x+1
That is solving for y. Hope this helped!