20+4n=12+2n

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Solution for 20+4n=12+2n equation: 



20+4n=12+2n

We move all terms to the left:

20+4n-(12+2n)=0

We add all the numbers together, and all the variables

4n-(2n+12)+20=0

We get rid of parentheses

4n-2n-12+20=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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