10+7n=20-2n

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Solution for 10+7n=20-2n equation: 



10+7n=20-2n

We move all terms to the left:

10+7n-(20-2n)=0

We add all the numbers together, and all the variables

7n-(-2n+20)+10=0

We get rid of parentheses

7n+2n-20+10=0

We add all the numbers together, and all the variables

9n-10=0

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

9n=10

n=10/9

n=1+1/9

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