Question 1

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Question text

Digues si el sistema

open curly brackets table attributes columnalign left end attributes row cell negative x plus 4 invisible times y equals negative 9 end cell row cell 5 invisible times x minus 20 invisible times y equals negative 3 end cell end table close


té aquestes solucions:
 

   x equals negative 4 comma space y equals 3

   x equals 4 comma space y equals 1

   x equals 1 comma space y equals negative 2

   x equals negative 2 comma space y equals negative 4

 

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