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m in (-oo:+oo)
133/48 = (4/8)*m+(1/4)*m // - (4/8)*m+(1/4)*m
133/48-((4/8)*m)-((1/4)*m) = 0
(-1/2)*m+(-1/4)*m+133/48 = 0
133/48-3/4*m = 0 // - 133/48
-3/4*m = -133/48 // : -3/4
m = -133/48/(-3/4)
m = 133/36
m = 133/36
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