Provide an appropriate response.Suppose that you are solving a system of three linear equations and three variables by the row echelon method and you obtain the following augmented matrix. 
What row transformation would you perform next?
A. Add 6 times row 1 to 15 times row 3 to obtain a zero in the third row, second column position.
B. Add row 1 to row 2.
C. Multiply row 1 by 
.
D. Multiply row 2 by - 1.
Answer: D
Mathematics
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B. 
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A. y = - 
x + 5
B. y = -6x + 5
C. y = 6x + 5
D. y = - 
x + 6
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A. 5 B. 10 C. 8 D. 2 E. 7
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