7n-3=-12-2n

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Solution for 7n-3=-12-2n equation: 



7n-3=-12-2n

We move all terms to the left:

7n-3-(-12-2n)=0

We add all the numbers together, and all the variables

7n-(-2n-12)-3=0

We get rid of parentheses

7n+2n+12-3=0

We add all the numbers together, and all the variables

9n+9=0

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

9n=-9

n=-9/9

n=-1

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