20+9n=-20+14n-20

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Solution for 20+9n=-20+14n-20 equation: 



20+9n=-20+14n-20

We move all terms to the left:

20+9n-(-20+14n-20)=0

We add all the numbers together, and all the variables

9n-(14n-40)+20=0

We get rid of parentheses

9n-14n+40+20=0

We add all the numbers together, and all the variables

-5n+60=0

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

-5n=-60

n=-60/-5

n=+12

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