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Answer:

no, it's 81

Step-by-step explanation:

9×9=81 hope that this helps you and have a great day :)

Answer:

b = 82 is not a solution

Step-by-step explanation:

b÷9=9

Multiply each side by 9 to isolate b

b÷9*9=9*9

b = 81

b = 82 is not a solution