Solve each by substitution
3x + y - 2z = 22
x + 5y + z = 4
x= -3z...
![subject](/tpl/images/cats/mat.png)
Mathematics, 13.11.2019 00:31 sweetiezylp8umho
Solve each by substitution
3x + y - 2z = 22
x + 5y + z = 4
x= -3z
![ansver](/tpl/images/cats/User.png)
Answers: 2
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