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x in (-oo:+oo)
(1/5)*(3*x+2)-((1/3)*(x+4)) = 6 // - 6
(1/5)*(3*x+2)-((1/3)*(x+4))-6 = 0
(1/5)*(3*x+2)+(-1/3)*(x+4)-6 = 0
1/5*(3*x+2)-1/3*(x+4)-6 = 0
1/5*(3*x+2)-1/3*(x+4)-6 = 0
4/15*x-6-14/15 = 0
4/15*x-104/15 = 0
4/15*x-104/15 = 0
4/15*x-104/15 = 0 // + 104/15
4/15*x = 104/15 // : 4/15
x = 104/15/4/15
x = 26
x = 26
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