Answer:
Assuming you meant : -5(s-30)=10, then s = 28
Step-by-step explanation:
-5(s-30)=10
there are a coupe ways to solve, I will start by dividing the -5 on both sides
(-5(s-30))/-5 = 10/-5
=> s-30 = -2
Combine like terms:
(s-30)+30 = -2+30
s=28