10+6.4n=7+6.9n

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Solution for 10+6.4n=7+6.9n equation: 



10+6.4n=7+6.9n

We move all terms to the left:

10+6.4n-(7+6.9n)=0

We add all the numbers together, and all the variables

6.4n-(6.9n+7)+10=0

We get rid of parentheses

6.4n-6.9n-7+10=0

We add all the numbers together, and all the variables

-0.5n+3=0

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

-0.5n=-3

n=-3/-0.5

n=+6

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