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30-09-2014
Mathematics

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2[s+3(s-31)]=18
how would i solve this

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30-09-2014

1. 2[s+3(s-31)]=18
2. [s+3(s-31)] = 9
3. s+ 3s - 93 = 9
4. 4s = 9+93
5. 4s = 102
6. s= 25.5

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