write an equation for each line:
Line L:
Line M:
Line: N:
Line P:

Step-by-step explanation:
line L:
[tex]y = 4[/tex]
line M:
[tex]y = - 2x + 4[/tex]
line N:
[tex]y = x - 1[/tex]
line P:
[tex]x = - 4[/tex]