1.1^x+11*1.1^(x-1)=20

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Solution for 1.1^x+11*1.1^(x-1)=20 equation: 



1.1^x+11*1.1^(x-1)=20

We move all terms to the left:

1.1^x+11*1.1^(x-1)-(20)=0

Wy multiply elements

1.1^x+11x-20=0

We add all the numbers together, and all the variables

11x+1.1^x-20=0

We move all terms containing x to the left, all other terms to the right

11x+1.1^x=20

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