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4 la puterea 2x+1= 32 la puterea x+3

Răspuns :

4^(2x + 1) = 32^(x + 3)

2^(4x + 2) = 2^(5x + 15)

4x + 2 = 5x + 15

4x - 5x = 15 - 2

- x = 13

x = - 13