hhhh42 hhhh42
  • 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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