0.3n-0.8=3.2-0.1n

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Solution for 0.3n-0.8=3.2-0.1n equation: 



0.3n-0.8=3.2-0.1n

We move all terms to the left:

0.3n-0.8-(3.2-0.1n)=0

We add all the numbers together, and all the variables

0.3n-(-0.1n+3.2)-0.8=0

We get rid of parentheses

0.3n+0.1n-3.2-0.8=0

We add all the numbers together, and all the variables

0.4n-4=0

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

0.4n=4

n=4/0.4

n=10

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