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04-02-2019
Mathematics

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Look at Arnold's attempt to solve the equation for b:

3b = 12

b = 3 · 12

b = 36

Describe the mistake that Arnold made.

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maylimc01 maylimc01

04-02-2019

His mistake was in multiplying the 3 with the 12. He should have divided it from the 12 because that would have gotten rid of the 3 with the variable. It would also lead to the correct answer, which is b=4

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