persamaan garis l adalah

[tex] \frac{ - 4}{ - 5} = \frac{4}{5} [/tex]
[tex] \frac{ - 1}{1} \times \frac{5}{4} = - \frac{5 }{4} [/tex]
[tex]y - 4 = \frac{ - 5}{4} (x - 0) | \times 4| \\ 4y - 16 = - 5x \\ 5x + 4y = 16[/tex]


5x+4y=16