1.

Solve for x:` 11^(4x-5)*3^(2x)=5^(3-x) * 7^(-x)`.

Answer» `11^(4x-5)*3^(2x)= 5^(3-x) * 7^(-x)*`
` or (4x-5)log 11+2xlog3 = (3-x)log 5-x log 7`
` or x= log(11^(5) xx 5^(3))/(log(11^(4) xx 315))`


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