20+4n=-7n-13

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Solution for 20+4n=-7n-13 equation: 



20+4n=-7n-13

We move all terms to the left:

20+4n-(-7n-13)=0

We get rid of parentheses

4n+7n+13+20=0

We add all the numbers together, and all the variables

11n+33=0

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

11n=-33

n=-33/11

n=-3

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