Question 1

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Quina és la posició relativa entre les rectes open curly brackets table row cell y plus 3 times z plus 2 equals 0 end cell row cell 2 times x plus 2 times y minus 2 times z minus 1 equals 0 end cell end table close i open curly brackets table row cell negative 4 times x minus 5 times y plus z equals 0 end cell row cell 4 times x plus y minus 13 times z minus 8 equals 0 end cell end table close?
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