What is the value of z in the solution of the following system of equations? 3x+ 5y +7z= 3 2x+4y+6= 6 4x+3y + 5z = -6 A. 6 B. 4 C. -2 D. -6

What is the value of z in the solution of the following system of equations? 3x+ 5y +7z= 3 2x+4y+6= 6 4x+3y + 5z = -6 A. 6 B. 4 C. -2 D. -6

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