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OpenStudy (anonymous):
Solve the following system of equations. 2x + 4y – 3z = –7 3x + y + 4z = –12 x + 3y + 4z = 4
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OpenStudy (anonymous):
x=-3y-4z substitute in the first equation 2(-3y-4z) =-6y-8z
OpenStudy (anonymous):
A. (–6, –2, –1) B. (6, –2, –1) C. (–6, 2, 1) D. (6, 2, 1)
OpenStudy (anonymous):
use matrix inversion to solve this
OpenStudy (anonymous):
C
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