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03-05-2014
Mathematics

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Which of the following is equivalent to 3a + 4b – (–6a – 3b) ?
A. 16ab
B. –3a + b
C. –3a + 7b
D. 9a + b
E. 9a + 7b

Respuesta :

03-05-2014

[tex]3a + 4b - (-6a - 3b) =3a + 4b +6a +3b = 9a +7b \\ \\ \\ Answer : \ E. \ \ 9a + 7b[/tex]

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