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3*x-(1/4) = 8*x-(1/12) // - 8*x-(1/12)
3*x-(8*x)-(1/4)+1/12 = 0
3*x-8*x-1/4+1/12 = 0
-5*x-1/6 = 0 // + 1/6
-5*x = 1/6 // : -5
x = 1/6/(-5)
x = -1/30
x = -1/30
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