3n+7=22-2n

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Solution for 3n+7=22-2n equation: 



3n+7=22-2n

We move all terms to the left:

3n+7-(22-2n)=0

We add all the numbers together, and all the variables

3n-(-2n+22)+7=0

We get rid of parentheses

3n+2n-22+7=0

We add all the numbers together, and all the variables

5n-15=0

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

5n=15

n=15/5

n=3

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