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help me solve the other half of my question !!!!!!!!!

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help me solve the other half of my question click here thanks class=

Respuesta :

benjaminhe
Using 1st equation:
15 = 16/3 + b
(45-16)/3 = b
29/3 = b

Using last equation:
47 = 16*7/3 + b
(141-112)/3 = b
29/3 = b

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