1.

Evaluate 9-b9−b9, minus, b when b=8b=8b, equals, 8.

Answer»

Answer:

9-9b-9b-b

9b-9b-b= -9

0-b= -9

-b= -9

b=9

b=8b=8b=8

b=8b-8b=8

b=8

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