Question

Resolva o sistema linear usando teorema de Cramer
3x+2y+z=1
2x+1y+z=1
-2x-3y+3z=-5

Answer 1

Resposta:

A)3x+z=1−2y

3x=1−2y−z

x= 3

B)1−2y−z

b) 2x+y+z=1

2x+z=1−y

2x=1−y−z

x=

​2

​

​1−y−z

​​  

C)−2x+3z=−5+3y

−2x+3z=3y−5

−2x=3y−5−3z

x=−

​2

​3y−5−3z

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