12(0.25n-1)=-0.15(20-40n)

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Solution for 12(0.25n-1)=-0.15(20-40n) equation: 



12(0.25n-1)=-0.15(20-40n)

We move all terms to the left:

12(0.25n-1)-(-0.15(20-40n))=0

We add all the numbers together, and all the variables

12(0.25n-1)-(-0.15(-40n+20))=0

We multiply parentheses

0n-(-0.15(-40n+20))-12=0



We calculate terms in parentheses: -(-0.15(-40n+20)), so:

-0.15(-40n+20)

We multiply parentheses

6n-3

Back to the equation:

-(6n-3)



We add all the numbers together, and all the variables

n-(6n-3)-12=0

We get rid of parentheses

n-6n+3-12=0

We add all the numbers together, and all the variables

-5n-9=0

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

-5n=9

n=9/-5

n=-1+4/5

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