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29*((4/7)*x-4)+3 = (8/7)*x+144 // - (8/7)*x+144
29*((4/7)*x-4)-((8/7)*x)-144+3 = 0
29*((4/7)*x-4)+(-8/7)*x-144+3 = 0
29*(4/7*x-4)+(-8*x)/7-144+3 = 0
(7*29*(4/7*x-4))/7+(-8*x)/7+(-144*7)/7+(3*7)/7 = 0
7*29*(4/7*x-4)-8*x-144*7+3*7 = 0
108*x-1008-812+21 = 0
108*x-1820+21 = 0
108*x-1799 = 0
(108*x-1799)/7 = 0
(108*x-1799)/7 = 0 // * 7
108*x-1799 = 0
108*x-1799 = 0 // + 1799
108*x = 1799 // : 108
x = 1799/108
x = 1799/108
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