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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