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(3/4)*(2*x-5) = (2/5)*(4*x-6) // - (2/5)*(4*x-6)
(3/4)*(2*x-5)-((2/5)*(4*x-6)) = 0
(3/4)*(2*x-5)+(-2/5)*(4*x-6) = 0
3/4*(2*x-5)-2/5*(4*x-6) = 0
3/4*(2*x-5)-2/5*(4*x-6) = 0
-1/10*x-27/20 = 0
-1/10*x-27/20 = 0
-1/10*x-27/20 = 0 // + 27/20
-1/10*x = 27/20 // : -1/10
x = 27/20/(-1/10)
x = -27/2
x = -27/2
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