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3*ln(7*x)-(9*x)+2
{root[2][1+0.07]}
(0.2/0.016)^4 = x
0.2/0.016 = 0
(9/5)*x+(2/5)*y+(4/3)*z+43/75;(2/5)*x+(31/20)*y+6/25;(1/3)*x+(37/144)*z+1/5
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