Answer
Success!
s=1000

↓Steps Explained:↓

Solve for s

4s + s = 5000

Group the s terms on the left:

(4 + 1)s = 5s

Form modified equation

5s = + 5000

Divide each side by 4

4s
4
=
  
5000
4

Divide each side of the equation by 5

5s
5
=
  
5000
5

s = 1000

Final Answer

s=1000
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