Solve the system by substitution.
-x-y-z = -8
- 4x + 4y + 5z = 7
2x + 2z = 4
...
Mathematics, 29.10.2019 00:31 Nicoleebel2984
Solve the system by substitution.
-x-y-z = -8
- 4x + 4y + 5z = 7
2x + 2z = 4
show all steps.
Answers: 2
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