Question

qual a resolução 5^2x-3= 3 ??​

Answer 1

$log_{5}2x - 3 = 3 \\ {5}^{3} = 2x - 3 \\ 125 = 2x - 3 \\ 125 + 3 = 2x \\ 2x = 128 \\ x = 128 \div 2 \\ x = 64$

então x=64

$log_{5}2(64) - 3 = 3 \\ log_{5}128 - 3 = 3 \\ log_{5}125 = 3 \\ {5}^{3} = 125$