20-20u+20=-20-17u

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Solution for 20-20u+20=-20-17u equation: 



20-20u+20=-20-17u

We move all terms to the left:

20-20u+20-(-20-17u)=0

We add all the numbers together, and all the variables

-20u-(-17u-20)+20+20=0

We add all the numbers together, and all the variables

-20u-(-17u-20)+40=0

We get rid of parentheses

-20u+17u+20+40=0

We add all the numbers together, and all the variables

-3u+60=0

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

-3u=-60

u=-60/-3

u=+20

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