6-5n+3n=21-45

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Solution for 6-5n+3n=21-45 equation: 



6-5n+3n=21-45

We move all terms to the left:

6-5n+3n-(21-45)=0

We add all the numbers together, and all the variables

-5n+3n+6-(-24)=0

We add all the numbers together, and all the variables

-2n+30=0

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

-2n=-30

n=-30/-2

n=+15

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