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5 = 1/1-(0.25*(1-x)) // - 1/1-(0.25*(1-x))
0.25*(1-x)-(1/1)+5 = 0
0.25*(1-x)-1+5 = 0
0.25*(1-x)-1+5 = 0
5-0.25*x-0.75 = 0
4.25-0.25*x = 0
4.25-0.25*x = 0
4.25-0.25*x = 0 // - 4.25
-0.25*x = -4.25 // : -0.25
x = -4.25/(-0.25)
x = 17
x = 17
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