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(2/5)*e+1.4 = (3/15)*e-0.8
2/5*e+1.4 = 1/5*e-0.8
2/5*e-(1/5*e)+0.8+1.4 = 0
1/5*e+0.8+1.4 = 0
1/5*e+2.2 = 0
L <> R
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