a liner equation with the slope (m) of - 2 and passes through the point (-1,5).

[tex]m = - 2[/tex]
[tex]( - 1,5)[/tex]
[tex]y - 5 = - 2(x - ( - 1))[/tex]
[tex]y - 5 = - 2(x + 1)[/tex]
[tex]y - 5 = - 2x - 2[/tex]
[tex]y - 5 + 5 = - 2x - 2 + 5[/tex]
[tex]y = - 2x + 3[/tex]
[tex]y = - 2x + 3[/tex]