5n+10n+15n=225

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Solution for 5n+10n+15n=225 equation: 



5n+10n+15n=225

We move all terms to the left:

5n+10n+15n-(225)=0

We add all the numbers together, and all the variables

30n-225=0

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

30n=225

n=225/30

n=7+1/2

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