2n+5n=200

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Solution for 2n+5n=200 equation: 



2n+5n=200

We move all terms to the left:

2n+5n-(200)=0

We add all the numbers together, and all the variables

7n-200=0

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

7n=200

n=200/7

n=28+4/7

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