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x in (-oo:+oo)
3 = x/3.84 // - x/3.84
3-(x/3.84) = 0
3-0.26041667*x = 0
3-0.26041667*x = 0 // - 3
-0.26041667*x = -3 // : -0.26041667
x = -3/(-0.26041667)
x = 11.51999985
x = 11.51999985
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