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(1/5)*(3*x-(1/2))-(1/30) = x/5 // - x/5
(1/5)*(3*x-(1/2))-(x/5)-(1/30) = 0
(1/5)*(3*x-1/2)-(x/5)-1/30 = 0
1/5*(3*x-1/2)-x/5-1/30 = 0
(1/5*5*30*(3*x-1/2))/(5*30)+(30*(-x))/(5*30)+(-1*5)/(5*30) = 0
1/5*5*30*(3*x-1/2)+30*(-x)-1*5 = 0
60*x-15-5 = 0
60*x-20 = 0
(60*x-20)/(5*30) = 0
(60*x-20)/(5*30) = 0 // * 5*30
60*x-20 = 0
60*x-20 = 0 // + 20
60*x = 20 // : 60
x = 20/60
x = 1/3
x = 1/3
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