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Nadia solved the equation 4x-4=20!4x=16 x=4what error did she make
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Nadia solved the equation 4x-4=20!4x=16 x=4what error did she make

User Abhishek Agrawal
by
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2 Answers

2 votes
the error is 20 is not the answer for 16-4
User Amiee
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4 votes
4(4) -4 = 16-4 = 12
She was wrong because she thought that x= 6
User Justen
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