2.1n+39=42.5

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Solution for 2.1n+39=42.5 equation: 



2.1n+39=42.5

We move all terms to the left:

2.1n+39-(42.5)=0

We add all the numbers together, and all the variables

2.1n-3.5=0

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

2.1n=3.5

n=3.5/2.1

n=1+1/1.5

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