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(2/3)*(2*x+3) = (3/4)*(4*x-12) // - (3/4)*(4*x-12)
(2/3)*(2*x+3)-((3/4)*(4*x-12)) = 0
(2/3)*(2*x+3)+(-3/4)*(4*x-12) = 0
2/3*(2*x+3)-3/4*(4*x-12) = 0
2/3*(2*x+3)-3/4*(4*x-12) = 0
11-5/3*x = 0
11-5/3*x = 0
11-5/3*x = 0 // - 11
-5/3*x = -11 // : -5/3
x = -11/(-5/3)
x = 33/5
x = 33/5
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