A=3^x+1.3^x-2/3^x-1.3^x-2

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Solution for A=3^x+1.3^x-2/3^x-1.3^x-2 equation:



=3^A+1.3^A-2/3^A-1.3^A-2
We move all terms to the left:
-(3^A+1.3^A-2/3^A-1.3^A-2)=0
Domain of the equation: 3^A-1.3^A-2)!=0
A∈R
We get rid of parentheses
-3^A-1.3^A+2/3^A+1.3^A+2=0
We multiply all the terms by the denominator
-3^A*3^A-(1.3^A)*3^A+(1.3^A)*3^A+2*3^A+2=0
Wy multiply elements
-9A^2-(1.3^A)*3^A+(1.3^A)*3^A+6A+2=0
We add all the numbers together, and all the variables
-9A^2+6A-(1.3^A)*3^A+(1.3^A)*3^A+2=0
We move all terms containing A to the left, all other terms to the right
-9A^2+6A-(1.3^A)*3^A+(1.3^A)*3^A=-2

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