Respuesta :
Answer:
t = 2
Step-by-step explanation:
using the rule of logarithms
[tex]log_{b}[/tex] x = n ⇒ x = [tex]b^{n}[/tex]
given
[tex]log_{4}[/tex] (7t + 2) = 2 , then
7t + 2 = 4² = 16 ( subtract 2 from both sides )
7t = 14 ( divide both sides by 7 )
t = 2