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m in (-oo:+oo)
3*((3*m)/4-1)+m/8 = 72-(m/4) // - 72-(m/4)
3*((3*m)/4-1)+m/8+m/4-72 = 0
3*(3/4*m-1)+m/8+m/4-72 = 0
(3*4*8*(3/4*m-1))/(4*8)+(4*m)/(4*8)+(8*m)/(4*8)+(-72*4*8)/(4*8) = 0
3*4*8*(3/4*m-1)+4*m+8*m-72*4*8 = 0
76*m+8*m-2304-96 = 0
84*m-2304-96 = 0
84*m-2400 = 0
(84*m-2400)/(4*8) = 0
(84*m-2400)/(4*8) = 0 // * 4*8
84*m-2400 = 0
84*m-2400 = 0 // + 2400
84*m = 2400 // : 84
m = 2400/84
m = 200/7
m = 200/7
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