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0.05*x+0.06*y-14.7;y-(0.8*x)
1*x^4+1*x^3-(7*x^2)-(1*x)+6 = 0
0.05*x+0.06*y-14.7;y-(0.8*x)
13000 = 10000*x^2*(r+1)
3/8 = c/40
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