সমীকরণমালা __ x+2y -z=5 2x + 3y +z = 11 3x - y + 3z= 7 - এর জন্য __

A x=2, y =-2 z=1
B x =2 , y =2 z=1
C x=1 , y =4 , z=4
D x =1 , y=2 , z=0

Correct Answer: x =2 , y =2 z=1

Bissoy MCQ

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