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((7/5)*x^1)/4 = 9*x-(1/3) // - 9*x-(1/3)
((7/5)*x^1)/4-(9*x)+1/3 = 0
((7/5)*x)/4-9*x+1/3 = 0
1/3-173/20*x = 0 // - 1/3
-173/20*x = -1/3 // : -173/20
x = -1/3/(-173/20)
x = 20/519
x = 20/519
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