The system of linear equations [math: v+2w+3x+y+z=1−2v−4w+6x+2y+2z=23v+6w−3x−y−z=1] has row echelon form [math: [12000−1003112000004].] How many solutions does this system have?单项选择题

题目图片
A

a. two

B

b. none

C

c. one

D

d. infinitely many

E

e. five

F

f. three

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