Question

Resolva as equações:

a)4^x=32/1024
b)(1/5)^3x/25^2+x=5

Answer 1

Ola Teteia

a) 4^x = 32/1024 

2^2x = (2^5/2^10 = 2^-5

2x = -5

x = -5/2

b) 

5^(-3x)/5^(2x+4) = 5^1

-3x - 2x - 4 = 1

-5x = 5

x = -1

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