Obtain an equivalent system by performing the stated elementary operation on the system.Interchange equations 1 and 3.5x + 2y + z = -183x - 2y - z = 23x + 4z = -3
A. 3x + 4z = -3
3x - 2y - z = 2
5x + 2y + z = -18
B. 3x - 2y - z = 2
5x + 2y + z = -18
3x + 4z = -3
C. x + 2y + 5z = -18
3x - 2y - z = 2
3x + 4z = -3
D. 3x + 4z = -3
5x + 2y + z = -18
3x - 2y - z = 2
Answer: A
Mathematics
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