Answer:
1. s=7
2 s = 8
Explanation:
s + 12 =19 you subtract 12 from 19 and you get 7 so you rewrite it like this s = 7 then divide s by 7 and get s = 7
s - 6=2 add 6 to both sides so 6+2 equals 8
s=8
3.4m questions
4.4m answers