Question

resolva a equacao 4^x+5 = (1/2)^2x+3

Answer 1

$4^{x+5}=( \frac{1}{2} )^{2x+3} \\ \\ (2^2)^{x+5}=(2^{-1})^{2x+3} \\ \\ 2^{2x+10}=2^{-2x-3} \\ \\ 2x+10=-2x-3 \\ \\ 2x+2x=-3-10 \\ \\ 4x=-13 \\ \\ x=- \frac{13}{4}$