Question

$1,2^{x} = 4$
$3^{4x} = 10$
$2^{3x} = 3$
$4^{2x+3} = 5$

Answer 1

$1,2^x=4; x=log_{1,2}4;$

$3^{4x}=10; 81^x=10; x=log_{81}10;$

$2^{3x}=3; 8^x=3; x=log_83;$

$4^{2x+3}=5; 16^{x+1,5}=5; x+1,5=log_{16}5; x=log_{16}5-1,5;$