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m in (-oo:+oo)
(3/8)*(m-(2/9)) = 4.75 // - 4.75
(3/8)*(m-(2/9))-4.75 = 0
(3/8)*(m-2/9)-4.75 = 0
3/8*(m-2/9)-4.75 = 0
3/8*(m-2/9)-4.75 = 0
3/8*m-4.83333333 = 0
3/8*m-4.83333333 = 0
3/8*m-4.83333333 = 0 // + 4.83333333
3/8*m = 4.83333333 // : 3/8
m = 4.83333333/3/8
m = 12.88888888
m = 12.88888888
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