demonx341 demonx341

02-02-2015
Mathematics

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Combine like terms.9 + 18s – 7s A. 20s B. 9 + 11s C. 9 – 11s D. 20

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Аноним Аноним

02-02-2015

9+18s-7s the common factor is 's' so : s(18-7) + 9 and that is : 11s+9 The answer is B.

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Аноним Аноним

02-02-2015

As 9+18s-7s
=9+11s
As 9+18s-7s=9+11s
9+18s-7 is Option "B"....

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