aizaawan1111 aizaawan1111

07-01-2021
Mathematics

contestada

0.9b + 12 = 0.8b - 9

Respuesta :

rochelewawa rochelewawa

07-01-2021

Answer:

0.9b+12=0.8b-9

0.9b+0.8b= -9-9

1.7b=-21

=-12.352

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