12.50=7.50+2.50n

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Solution for 12.50=7.50+2.50n equation: 



12.50=7.50+2.50n

We move all terms to the left:

12.50-(7.50+2.50n)=0

We add all the numbers together, and all the variables

-(2.50n+7.5)+12.50=0

We add all the numbers together, and all the variables

-(2.50n+7.5)+12.5=0

We get rid of parentheses

-2.50n-7.5+12.5=0

We add all the numbers together, and all the variables

-2.5n+5=0

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

-2.5n=-5

n=-5/-2.5

n=+2

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