Respuesta :

6+2s-8s=18
6-6s=18
-6s= 18-6
-6s= 12
S= 12/-6
S= -2


Hope this helps!
alexanderkorniowjb1j
18 - 6= 12
2s-8s=-6s
12=-6s
-6s/-6=s
12/-6=-2
-2=s 
CHECK
6+(-4)+16=18