Question 1

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Resol el sistema d'equacions següent:
open curly brackets table row cell begin straight style negative 4 times x plus 4 times y plus 2 times z end style equals begin straight style 44 end style end cell row cell begin straight style negative 3 times x minus 4 times y plus 5 times z end style equals begin straight style negative 9 end style end cell row cell begin straight style 3 times x plus 3 times y minus 3 times z end style equals begin straight style 0 end style end cell end table close


x=
y=
z=
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