3n-4-n=-12

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Solution for 3n-4-n=-12 equation: 



3n-4-n=-12

We move all terms to the left:

3n-4-n-(-12)=0

We add all the numbers together, and all the variables

2n+8=0

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

2n=-8

n=-8/2

n=-4

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