3n+15,5n+35=220

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Solution for 3n+15,5n+35=220 equation: 



3n+15.5n+35=220

We move all terms to the left:

3n+15.5n+35-(220)=0

We add all the numbers together, and all the variables

18.5n-185=0

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

18.5n=185

n=185/18.5

n=10

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