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m in (-oo:+oo)
3-(4*m)-(28/6)-(24/7) = 2 // - 2
3-(4*m)-(28/6)-(24/7)-2 = 0
3-4*m-14/3-24/7-2 = 0
-4*m-149/21 = 0 // + 149/21
-4*m = 149/21 // : -4
m = 149/21/(-4)
m = -149/84
m = -149/84
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