7.5-n=22.5

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Solution for 7.5-n=22.5 equation: 



7.5-n=22.5

We move all terms to the left:

7.5-n-(22.5)=0

We add all the numbers together, and all the variables

-1n-15=0

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

-n=15

n=15/-1

n=-15

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