Respuesta :

gmany

Answer:

A. x = 1

Step-by-step explanation:

[tex]5^{7x-3}=625\\\\5^{7x-3}=5^4\iff7x-3=4\qquad\text{add 3 to both sides}\\\\7x=7\qquad\text{divide both sides by 7}\\\\x=1[/tex]

Answer:

X = 1

Step-by-step explanation: