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#1 Re: Help Me ! » reducing matrix ?? » 2012-05-08 00:44:28

please can you check if it is right

1st row
x-4x=9
-3x=9
x=-3
ـــــــــــــــــــــــــــــــ
2nd row
0=6
ـــــــــــــــــــــــــــــــ
3rd row
x-3x=5
-2x=5
x=-5\2

i think there is no answer because 2nd row equal zero ..... right

#3 Help Me ! » reducing matrix ?? » 2012-05-07 22:02:59

raneem
Replies: 5

HI everyone,
could you help me with this problem!!??  sad
Reduce this matrix....i tried to solve it but I did not know how??


x+x-2x+x=9
x-x+2x=1
x-3x=5

1 1 -2 1 9
0 1 -1 2 1
0 0 1 -3 5

my level is university

thank you...

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