7n-15-2n=45

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Solution for 7n-15-2n=45 equation: 



7n-15-2n=45

We move all terms to the left:

7n-15-2n-(45)=0

We add all the numbers together, and all the variables

5n-60=0

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

5n=60

n=60/5

n=12

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