2n+45=285

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Solution for 2n+45=285 equation: 



2n+45=285

We move all terms to the left:

2n+45-(285)=0

We add all the numbers together, and all the variables

2n-240=0

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

2n=240

n=240/2

n=120

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