Question

Resolva a equação exponencial 2^x-3=16,considerando U=R

Answer 1

$2^{x-3}=16\\\\16|2\\8|2\\4|2\\2|2\\1\\\\16=2^4\\\\\\2^{x-3}=2^4\\\\x-3=4\\x=7$

Answer 2

Boa tarde!

$2^(^x^-^3^)=16\\ \\ fatorando \;o \;16,\;temos:\;2^4\\ \\ reecrevendo..\\ \\ 2^(^x^-^3^)=2^4\\ \\ Bses\;iguais,\;cancelamos\\ \\ x\;-\;3=4\\ \\ x=4\;+\;3\\ \\ x=7\\ \\ S=(\;7\;)\\ \\ Bons \;estudos!$