3n+5+2n=45

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Solution for 3n+5+2n=45 equation: 



3n+5+2n=45

We move all terms to the left:

3n+5+2n-(45)=0

We add all the numbers together, and all the variables

5n-40=0

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

5n=40

n=40/5

n=8

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