Question

$x + 4y + 2z = 0 \\ \\ x - 4y + 7z = 0 \\ \\2 x - y + 4z = 18 \\ \\ \boxed{\bf\red{find \: \pink{x }\: \: \green{ y }\: \: \purple{z }} }$


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Answer 1

Step-by-step explanation:

tex]x + 4y + 2z = 0 \\ \\ x - 4y + 7z = 0 \\ \\2 x - y + 4z = 18 \\ \\ \boxed{\bf\red{find \: \pink{x }\: \: \green{ y }\: \: \purple{z }} }[/tex]

Answer 2

see the attachment.....................

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