11-12-2017
Mathematics

contestada

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

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hienh4517 hienh4517

11-12-2017

4(4) -4 = 16-4 = 12
She was wrong because she thought that x= 6

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Аноним Аноним

11-12-2017

the error is 20 is not the answer for 16-4

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