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8x+6y=2
-9x-6y= -3
8x+6y=2
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-9x+8x= -3+2
-x= -1/*(-1)
x=1
3x+2y=1
3*1+2y=1
3+2y=1
2y=1-3
2y= -2/:2
y= -1
x=1
y= -1