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x+3y=34 x+y=34/3 x=11,3+y 2(11,3+y)-y=2 22,6-2y=2 -2y=2-22,6 -2y= -20,6 y= 20,6/2 y= 10,333.....
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x+3y=34 x+y=34/3 x=11,3+y 2(11,3+y)-y=2 22,6-2y=2 -2y=2-22,6 -2y= -20,6 y= 20,6/2 y= 10,333.....