45=n+3

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Solution for 45=n+3 equation: 



45=n+3

We move all terms to the left:

45-(n+3)=0

We get rid of parentheses

-n-3+45=0

We add all the numbers together, and all the variables

-1n+42=0

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

-n=-42

n=-42/-1

n=+42

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