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19-08-2020
Mathematics

contestada

what is the value of y in the equation 6.4x+2.8y=44.4,when x=3?

Respuesta :

19-08-2020

Answer:

y = 9

Step-by-step explanation:

6.4x + 2.8y = 44.4

6.4(3) + 2.8y = 44.4

19.2 + 2.8y = 44.4

2.8y = 25.2

y = 9

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