Question

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Answer 1

Resposta: {(-1,-7,-3)}

Explicação passo a passo:

X -2y + 3Z = 4

-1 -2y +3(-3)= 4

-2y = 4 + 10 .( -1)

Y = -14/2 = -7

2x +0y - Z = 1. 2X - Z =1

2X - (-3)= 1

2X +3 = 1

2x=1 -3

X = -2/2 = -1

Ox + 0y -3Z = 9

-3Z = 9 . (-1)

3Z = -9

Z = -9/3 = -3