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10-04-2019
Mathematics

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Add the two expressions. 3.8b - 7 and -2.9b + 9

Respuesta :

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10-04-2019

Answer:

3.8b-0.9

Step-by-step explanation:

calculate the sum of (-2.9+9)

=3.8b-7+6.1

Calculate the sum of (-7+6.1)

=3.8b-0.9

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