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x in (-oo:+oo)
(3/4)*(x-2) = (2/5)*(3-(2*x)) // - (2/5)*(3-(2*x))
(3/4)*(x-2)-((2/5)*(3-(2*x))) = 0
(3/4)*(x-2)+(-2/5)*(3-2*x) = 0
3/4*(x-2)-2/5*(3-2*x) = 0
3/4*(x-2)-2/5*(3-2*x) = 0
31/20*x-27/10 = 0
31/20*x-27/10 = 0
31/20*x-27/10 = 0 // + 27/10
31/20*x = 27/10 // : 31/20
x = 27/10/31/20
x = 54/31
x = 54/31
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