Determine o valor de Z no sistema: 2x - y - 3z = 3-4x + 3y + 2z = 25y - 3z = 6.... Pergunta de ideia deBibis

April 2020 1 265 Report

Determine o valor de Z no sistema:
2x - y - 3z = 3
-4x + 3y + 2z = 2
5y - 3z = 6

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ittalo25 2x - y - 3z = 3
-4x + 3y + 2z = 2
5y - 3z = 6

2x - y - 3z = 3 .(2) ->

4x -2y -6z = 6
-4x + 3y + 2z = 2
y - 4z = 8

y - 4z = 8 .(-5)
5y - 3z = 6

-5y + 20z = -40
5y -3z = 6

17z = -34

z = 34/17

z = 2

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