Respuesta :

sqdancefan

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Answer:

  C)  7

Step-by-step explanation:

The determinant is the difference of the cross products of the coefficients.

 D = (2)(3) -(1)(-1) = 6 +1 = 7

The system determinant is 7.

lansangangabdainiell

Answer:

C.) 7

Step-by-step explanation:

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