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((245-(2*x))^1)/2 = x+5 // - x+5
((245-(2*x))^1)/2-x-5 = 0
(245-2*x)/2-x-5 = 0
(245-2*x)/2+(2*(-x))/2+(-5*2)/2 = 0
2*(-x)-2*x-5*2+245 = 0
245-4*x-10 = 0
235-4*x = 0
(235-4*x)/2 = 0
(235-4*x)/2 = 0 // * 2
235-4*x = 0
235-4*x = 0 // - 235
-4*x = -235 // : -4
x = -235/(-4)
x = 235/4
x = 235/4
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