Jak rozwiązać tego typu równanie?
0,4^x = (5/2)^(x - 6)
(2/5)^x = (5/2)^(x - 6)
(5/2)^(-x) = (5/2)^(x - 6)
-x = x - 6
-x - x = -6
-2x = -6
x = 3
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0,4^x = (5/2)^(x - 6)
(2/5)^x = (5/2)^(x - 6)
(5/2)^(-x) = (5/2)^(x - 6)
-x = x - 6
-x - x = -6
-2x = -6
x = 3