Solve for X. 5^x=7^(x+3)

This question uses logarithms and exponents.
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1 Answer

5^x = 7^(x+3)

log(5^x)=log[7^(x+3)]

x*log(5) =(x+3)*log(7)

0.698970004x =0.84509804(x+3)

(0.69897004 -0.84509804)x =2.53529412

-0.146128035x=2.53529412

x=2.5.../(-0.146...)

x=-17.34981319
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