4w + x + 2y - 3z= -16
-3w + 3x - y + 4z = 20
-W + 2x + 5y + z= -4
5w + 4x + 3y - z= -10...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 30.03.2021 04:30, Queenhagar
4w + x + 2y - 3z= -16
-3w + 3x - y + 4z = 20
-W + 2x + 5y + z= -4
5w + 4x + 3y - z= -10
elimation​
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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