Solve for s
s=0
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5s-3.2s=0
Subtract 3.2s from both sides.
1.8s=0
Combine 5s and -3.2s to get 1.8s.
s=0
Product of two numbers is equal to 0 if at least one of them is 0. Since 1.8 is not equal to 0, s must be equal to 0.
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