Answer:
[tex]\boxed {s = -2 - 4r}[/tex]
Step-by-step explanation:
Solve for [tex]s[/tex]:
[tex]-2 = 4r + s[/tex]
-Switch sides:
[tex]-2 = 4r + s[/tex]
[tex]4r + s = -2[/tex]
-Subtract [tex]4r[/tex] to both sides:
[tex]4r - 4r + s = -2 - 4r[/tex]
[tex]\boxed {s = -2 - 4r}[/tex]
