45-3n=40-2n

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Solution for 45-3n=40-2n equation: 



45-3n=40-2n

We move all terms to the left:

45-3n-(40-2n)=0

We add all the numbers together, and all the variables

-3n-(-2n+40)+45=0

We get rid of parentheses

-3n+2n-40+45=0

We add all the numbers together, and all the variables

-1n+5=0

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

-n=-5

n=-5/-1

n=+5

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