millendert99 millendert99

10-07-2019
Mathematics

contestada

Solve the exponential equation for x. 625 = 5 (7x-3)

A. x = 1
B. x = -1
C. x = 2
D. x = -2

Respuesta :

12-07-2019

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 Link

jaimemanuel07 jaimemanuel07

07-06-2022

Answer:

X = 1

Step-by-step explanation:

Answer Link

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