2*3^(x-1)+4*3^(x-2)=30 - solution

Simple and best practice solution for 23^(x-1)+43^(x-2)=30 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

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Solution for 23^(x-1)+43^(x-2)=30 equation:


2*3^(x-1)+4*3^(x-2)=30

We move all terms to the left:

2*3^(x-1)+4*3^(x-2)-(30)=0

Wy multiply elements

6x(x+12x(x-30=0

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