joselynvcc15 joselynvcc15

16-06-2020
Mathematics

contestada

-9+7b=8b-7 whats the answer for this please and thank!!!!

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

16-06-2020

Answer:

b = -2

Step-by-step explanation:

-9+7b=8b-7

Subtract 7b from each side

-9+7b-7b=8b-7b-7

-9=b-7

Add 7 to each side

-9+7=b-7+7

-2 = b

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