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2^n+3+2^n+1-2^n=9×4 va rog sa rezolvati complet

Răspuns :


[tex] {2}^{n} \times (1 +1 - 1) + 4 = 36 \\ {2}^{n} + 4 = 36 \\ {2}^{n} = 36 -4 \\ {2}^{n} = 32 \\ {2}^{n =} = {2}^{5} \\ n = 5 [/tex]