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10-02-2016
Mathematics

contestada

Combine like terms.9 + 18s – 7s
a. 20s
b. 9 + 11s
c. 9 – 11s
d. 20

Respuesta :

Billymkhoi Billymkhoi

10-02-2016

9+ 18s -7s
= 9+ (18s -7s) (combine like terms)
= 9+ 11s

The correct answer is b. 9+ 11s.

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