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(3*x-2)/2-(x/4) = 15 // - 15
(3*x-2)/2-(x/4)-15 = 0
(3*x-2)/2-x/4-15 = 0
(4*(3*x-2))/(2*4)+(2*(-x))/(2*4)+(-15*2*4)/(2*4) = 0
4*(3*x-2)+2*(-x)-15*2*4 = 0
10*x-120-8 = 0
10*x-128 = 0
(10*x-128)/(2*4) = 0
(10*x-128)/(2*4) = 0 // * 2*4
10*x-128 = 0
10*x-128 = 0 // + 128
10*x = 128 // : 10
x = 128/10
x = 64/5
x = 64/5
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