2.1n+45.2=3.2-8.4n

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Solution for 2.1n+45.2=3.2-8.4n equation: 



2.1n+45.2=3.2-8.4n

We move all terms to the left:

2.1n+45.2-(3.2-8.4n)=0

We add all the numbers together, and all the variables

2.1n-(-8.4n+3.2)+45.2=0

We get rid of parentheses

2.1n+8.4n-3.2+45.2=0

We add all the numbers together, and all the variables

10.5n+42=0

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

10.5n=-42

n=-42/10.5

n=-4

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