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m in (-oo:+oo)
m/8 = (8^1)/3 // - (8^1)/3
m/8-((8^1)/3) = 0
m/8-8/3 = 0
1/8*m-8/3 = 0 // + 8/3
1/8*m = 8/3 // : 1/8
m = 8/3/1/8
m = 64/3
m = 64/3
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