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27-11-2018
Mathematics

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Which is a correct way of evaluating the expression 15x + 30x for x = 2?.

Respuesta :

27-11-2018

Answer:

15x + 30x=90 when x=2

Step-by-step explanation:

15x + 30x plug in 2 for x

15(2) + 30(2)=30 + 60=90

or

15x + 30x=45x plug in 2 for x

45(2)=90

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