2n-1=7.8

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Solution for 2n-1=7.8 equation: 



2n-1=7.8

We move all terms to the left:

2n-1-(7.8)=0

We add all the numbers together, and all the variables

2n-8.8=0

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

2n=8.8

n=8.8/2

n=4+0.8/2

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