Question 1

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Question text

Digues si el sistema

open curly brackets table attributes columnalign left end attributes row cell 3 invisible times x minus 2 invisible times y equals negative 20 end cell row cell 15 invisible times x minus 10 invisible times y equals negative 2 end cell end table close


té aquestes solucions:
 

   x equals 2 comma space y equals negative 3

   x equals negative 4 comma space y equals 4

   x equals 3 comma space y equals 3

   x equals negative 3 comma space y equals 2

 

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