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x in (-oo:+oo)
0.25 = x/0.09 // - x/0.09
0.25-(x/0.09) = 0
0.25-11.11111111*x = 0
0.25-11.11111111*x = 0 // - 0.25
-11.11111111*x = -0.25 // : -11.11111111
x = -0.25/(-11.11111111)
x = 0.0225
x = 0.0225
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