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3*((19/16)*x-1)+2*x = 397/16 // - 397/16
3*((19/16)*x-1)+2*x-(397/16) = 0
3*((19/16)*x-1)+2*x-397/16 = 0
3*(19/16*x-1)+2*x-397/16 = 0
(3*16*(19/16*x-1))/16+(2*16*x)/16-397/16 = 0
3*16*(19/16*x-1)+2*16*x-397 = 0
89*x-397-48 = 0
89*x-445 = 0
(89*x-445)/16 = 0
(89*x-445)/16 = 0 // * 16
89*x-445 = 0
89*x-445 = 0 // + 445
89*x = 445 // : 89
x = 445/89
x = 5
x = 5
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