Question

Escalone e resolva o sistema:
x - 7y + z = 1
2x - 4y - 8z = -8
-3x + y - 2z = -2
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Answer 1

Explicação passo-a-passo:

x-7y+z=1

x=1+7y-z

2x-4y-8z=-8

2x=-8+4y-8z

x=-4+2y-4z

-3x+y-2z=-2

3x=-2-y+2z

x=2/3+1/3y-2/3z