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3.14*16*(1/3)*x+234.5 = 0
16.7466664992*x+234.5 = 0 // - 234.5
16.7466664992*x = -234.5 // : 16.7466664992
x = -234.5/16.7466664992
x = -14.00278676
x = -14.00278676
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