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(3/8)*(4*a-5)-((5/12)*(3*a-4)) = 1/6 // - 1/6
(3/8)*(4*a-5)-((5/12)*(3*a-4))-(1/6) = 0
(3/8)*(4*a-5)+(-5/12)*(3*a-4)-1/6 = 0
3/8*(4*a-5)-5/12*(3*a-4)-1/6 = 0
(3/8*6*(4*a-5))/6+(-5/12*6*(3*a-4))/6-1/6 = 0
3/8*6*(4*a-5)-5/12*6*(3*a-4)-1 = 0
3/2*a-5/4-1 = 0
3/2*a-9/4 = 0
(3/2*a-9/4)/6 = 0
(3/2*a-9/4)/6 = 0 // * 6
3/2*a-9/4 = 0
3/2*a-9/4 = 0 // + 9/4
3/2*a = 9/4 // : 3/2
a = 9/4/3/2
a = 3/2
a = 3/2
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