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m in (-oo:+oo)
3*m+5/9 = 5*m-(71/99) // - 5*m-(71/99)
3*m-(5*m)+5/9+71/99 = 0
3*m-5*m+5/9+71/99 = 0
14/11-2*m = 0 // - 14/11
-2*m = -14/11 // : -2
m = -14/11/(-2)
m = 7/11
m = 7/11
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