Systems with three variables. please help

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asked Sep 15, 2018 97.2k views

1 Answer

Terminologist · Answer 1 · 2018-09-21T13:07:44+0000

X= 6
Y= 0
Z= -2

CHECK
3x + y -2z =22
3(6) + 0 -2(-2) =22
18 + 0 +4= 22
22=22

x+5y+z =4
6 +5(0)+ -2 =4
6 + 0 +-2 = 4
4=4

x+3z=0
6 + 3(-2) =0
6 -6 = 0
0=0

Systems with three variables. please help

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