FrostByte
FrostByte
02-10-2017
Mathematics
contestada
35 POINTS. I need help! Please!
Respuesta :
Аноним
Аноним
02-10-2017
there is no solution for the first one
if you eliminate y you get 2 equations
-13x - 13z = -25
-13x - 13x = -15
- there is no solution to theses
a23 means the element in the second row and the 3rd column
so its -5
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