n-4.2=7.8=

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Solution for n-4.2=7.8= equation: 



n-4.2=7.8=

We move all terms to the left:

n-4.2-(7.8)=0

We add all the numbers together, and all the variables

n-12=0

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

n=12

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