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3*x-(6*x)-(4/5) = x-(1/4) // - x-(1/4)
3*x-(6*x)-x-(4/5)+1/4 = 0
3*x-6*x-x-4/5+1/4 = 0
-4*x-11/20 = 0 // + 11/20
-4*x = 11/20 // : -4
x = 11/20/(-4)
x = -11/80
x = -11/80
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