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

3b = 12

b = 3 · 12

b = 36 Describe the mistake that Arnold made.

User JustTB
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1 Answer

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After the first step the division should follow so 3b=12. b=12/3. b=4. Arnold multiplied instead of dividing.
User Kodiologist
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