The form of the slope-intercept equation is
[tex]y=mx+b[/tex]
m is the slope
b is the y-intercept
Since m = -1
Since b = -7
Substitute them in the form of the equation above
[tex]\begin{gathered} y=-1(x)+(-7) \\ \\ y=-x-7 \end{gathered}[/tex]
The answer is
y = -x - 7
