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Today at 11:41 PM
Mathematics

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1/2s=4s-21 please help me I need help

Answer :

Today at 11:46 PM

isolate for s?
1/2s + 21 = 4s-21 +21
1/2s+ 21 =4s
1/2s + 21- 1/2s = 4s - 1/2
21 = 3.5 s
21/3.5 = 3.5s/3.5
6= s

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