AlexDBZ
AlexDBZ
15-09-2016
Mathematics
contestada
5/7^3=5(7^x)
Find X.
Thanks.
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caylus
caylus
15-09-2016
Hello,
[tex] \dfrac{5}{7^3}=5*7^x\\ 5*7^{-3}=5*7^x\\ \boxed{x=-3} [/tex]
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