Solve the system by substitution
-x-y-z=-8
-4x+4y+5z=7
2x+2x=4...
![subject](/tpl/images/cats/mat.png)
Mathematics, 23.08.2019 14:50 angelaOR
Solve the system by substitution
-x-y-z=-8
-4x+4y+5z=7
2x+2x=4
![ansver](/tpl/images/cats/User.png)
Answers: 1
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