SOLUTION: this problem comes from a teacher-made worksheet:
{{{4^x * 3^(x+1) = 14^(x-1)}}}
{{{x= -(log(3) + log(14))/(log(3) + log(4) - log(14)) = 24.247}}}
Algebra ->
Exponential-and-logarithmic-functions
-> SOLUTION: this problem comes from a teacher-made worksheet:
{{{4^x * 3^(x+1) = 14^(x-1)}}}
{{{x= -(log(3) + log(14))/(log(3) + log(4) - log(14)) = 24.247}}}
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