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9*x-(6*x)-(x*((7*y)/8))+x*(y/6)+1 = 0
9*x-6*x+(-7/8)*x*y+x*(y/6)+1 = 0
1-17/24*x*y = 0 // - 1
-17/24*x*y = -1 // : -17/24*y
x = -1/(-17/24*y)
x = 24/17*y^-1
x = 24/17*y^-1
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