Mathematics
Mathematics, 18.10.2020 01:01, iBrain

Solve the system by substitution: -x -y -z = -8

-4x +4y +5z = 7

2x+2z=4

show solving steps please.

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Solve the system by substitution: -x -y -z = -8

-4x +4y +5z = 7

2x+2z=4
...

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