7u+20=-8

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Solution for 7u+20=-8 equation: 



7u+20=-8

We move all terms to the left:

7u+20-(-8)=0

We add all the numbers together, and all the variables

7u+28=0

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

7u=-28

u=-28/7

u=-4

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