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Rezolvati in R ecuatia 8^(4-x)= 2^(2x-2)

Răspuns :

Raven34
2^3(4-x) = 2^(2x-2)
3(4-x)=2x-2
12-3x=2x-2
5x=14
x=14/5
EagleEyes
[tex] 8^{(4-x)} = 2^{(2x-2)} 2^{(12-3x)} = 2^{(2x-2)} 12 - 3x = 2x - 2 12 - 3x - 2x = -2 -3x - 2x = -2 - 12 -5x = -2 - 12 -5x = - 14 [/tex]

[tex]x = \frac{14}{5} [/tex]

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