1.

6u+3v=6 2u+3v=5

Answer»

6u+3v=6;; 3(2u+3v=5)=6u+9v=15; 6u+3v=6; 6u+9v=15/3v=9; v=9/3=3; 6u+3(3)=6; 6u=6-9=-3; u=-3/6=-1/2



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