Answer:
1. [tex]-\frac{2}{3}[/tex]
2. [tex]y-7=-\frac{2}{3}*(x+6)[/tex]
3. [tex]y=-\frac{2}{3}x+3[/tex]
4. 2x+3y=9
5. [tex]x=\frac{9}{2} -\frac{3y}{2}[/tex]
6. [tex]y=3-\frac{2x}{3}[/tex]
Step-by-step explanation:
Hope this helps, took a lot of time!