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x in (-oo:+oo)
(3/4)*(2*x-9) = 4*x-1 // - 4*x-1
(3/4)*(2*x-9)-(4*x)+1 = 0
(3/4)*(2*x-9)-4*x+1 = 0
3/4*(2*x-9)-4*x+1 = 0
3/4*(2*x-9)-4*x+1 = 0
1-5/2*x-27/4 = 0
-5/2*x-23/4 = 0
-5/2*x-23/4 = 0
-5/2*x-23/4 = 0 // + 23/4
-5/2*x = 23/4 // : -5/2
x = 23/4/(-5/2)
x = -23/10
x = -23/10
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