" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(20^x) : (1/20)^2 = 20^6
(20^x) * (20/1)^2 = 20^6
20^x * 20^2 = 20^6
20^(x+2) = 20^6
x+2 = 6
x = 4 -> 1 okienko
5^-15 * 5^x = 5^-7
(5*5)^(-15+x) =5^-7
-15+x = -7
x = -7 + 15
x = 8 -> 2 okienko
(3^x)^-5 = 3^10
3^(-5x) = 3^10
-5x = 10
x = -2 -> 3 okienko