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m in (-oo:+oo)
(3/5)*(2*m-10) = (2/3)*m+8 // - (2/3)*m+8
(3/5)*(2*m-10)-((2/3)*m)-8 = 0
(3/5)*(2*m-10)+(-2/3)*m-8 = 0
3/5*(2*m-10)+(-2*m)/3-8 = 0
(3/5*3*(2*m-10))/3+(-2*m)/3+(-8*3)/3 = 0
3/5*3*(2*m-10)-2*m-8*3 = 0
8/5*m-24-18 = 0
8/5*m-42 = 0
(8/5*m-42)/3 = 0
(8/5*m-42)/3 = 0 // * 3
8/5*m-42 = 0
8/5*m-42 = 0 // + 42
8/5*m = 42 // : 8/5
m = 42/8/5
m = 105/4
m = 105/4
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