7.5=2n-1

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Solution for 7.5=2n-1 equation: 



7.5=2n-1

We move all terms to the left:

7.5-(2n-1)=0

We get rid of parentheses

-2n+1+7.5=0

We add all the numbers together, and all the variables

-2n+8.5=0

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

-2n=-8.5

n=-8.5/-2

n=4+0.5/2

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