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(1/4)*(3*x-2) = 2/5 // - 2/5
(1/4)*(3*x-2)-(2/5) = 0
(1/4)*(3*x-2)-2/5 = 0
1/4*(3*x-2)-2/5 = 0
(1/4*5*(3*x-2))/5-2/5 = 0
1/4*5*(3*x-2)-2 = 0
15/4*x-9/2 = 0
(15/4*x-9/2)/5 = 0
(15/4*x-9/2)/5 = 0 // * 5
15/4*x-9/2 = 0
15/4*x-9/2 = 0 // + 9/2
15/4*x = 9/2 // : 15/4
x = 9/2/15/4
x = 6/5
x = 6/5
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