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(3/8)*(4*a-5)-(((5/12)*(3*a-4)^1)/6) = 0
(3/8)*(4*a-5)+(-5/72)*(3*a-4) = 0
3/8*(4*a-5)-5/72*(3*a-4) = 0
3/8*(4*a-5)-5/72*(3*a-4) = 0
31/24*a-115/72 = 0
31/24*a-115/72 = 0
31/24*a-115/72 = 0 // + 115/72
31/24*a = 115/72 // : 31/24
a = 115/72/31/24
a = 115/93
a = 115/93
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