9514 1404 393
Answer:
s = -25/17
Explanation:
-5s -5 = 4(3s +5) . . . . . . . given
-5s -5 = 12s +20 . . . . . . . eliminate parentheses
-5 = 17s +20 . . . . . . . . add 5s to both sides
-25 = 17s . . . . . . . . . subtract 20 from both sides
-25/17 = s . . . . . . . divide by the coefficient of s