3 years ago

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

Mathematics

1 answer:

posledela3 years ago

7 0

Answer:

Step-by-step explanation:

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

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