Solve using system of substitution
x + 2y + 4z = 7
-x + y + 2z = 5
2x + 3y +...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 12.02.2021 05:50, Annapetrik
Solve using system of substitution
x + 2y + 4z = 7
-x + y + 2z = 5
2x + 3y + 3z = 7
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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