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n in (-oo:+oo)
n/0.7 = 0.04/5 // - 0.04/5
n/0.7-(0.04/5) = 0
n/0.7-0.008 = 0
1.42857143*n-0.008 = 0 // + 0.008
1.42857143*n = 0.008 // : 1.42857143
n = 0.008/1.42857143
n = 0.0056
n = 0.0056
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