130=12.5(0.2^x-1)+14x

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Solution for 130=12.5(0.2^x-1)+14x equation: 



130=12.5(0.2^x-1)+14x

We move all terms to the left:

130-(12.5(0.2^x-1)+14x)=0



We calculate terms in parentheses: -(12.5(0.2^x-1)+14x), so:

12.5(0.2^x-1)+14x

We add all the numbers together, and all the variables

14x+12.5(0.2^x-1)

We multiply parentheses

14x+0x-12.5

We add all the numbers together, and all the variables

15x-12.5

Back to the equation:

-(15x-12.5)



We get rid of parentheses

-15x+12.5+130=0

We add all the numbers together, and all the variables

-15x+142.5=0

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

-15x=-142.5

x=-142.5/-15

x=9+5/10

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