3n+20+2n-10=180

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Solution for 3n+20+2n-10=180 equation: 



3n+20+2n-10=180

We move all terms to the left:

3n+20+2n-10-(180)=0

We add all the numbers together, and all the variables

5n-170=0

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

5n=170

n=170/5

n=34

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