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m in (-oo:+oo)
2*m+1/3 = (-2/3)*m+97/3 // - (-2/3)*m+97/3
2*m-((-2/3)*m)+1/3-(97/3) = 0
2*m+(2/3)*m+1/3-97/3 = 0
8/3*m-32 = 0 // + 32
8/3*m = 32 // : 8/3
m = 32/8/3
m = 12
m = 12
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