15n-12.25=19.9n

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Solution for 15n-12.25=19.9n equation: 



15n-12.25=19.9n

We move all terms to the left:

15n-12.25-(19.9n)=0

We add all the numbers together, and all the variables

15n-(+19.9n)-12.25=0

We get rid of parentheses

15n-19.9n-12.25=0

We add all the numbers together, and all the variables

-4.9n-12.25=0

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

-4.9n=12.25

n=12.25/-4.9

n=-2+1/2

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