3u+9-8=-31

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Solution for 3u+9-8=-31 equation: 



3u+9-8=-31

We move all terms to the left:

3u+9-8-(-31)=0

We add all the numbers together, and all the variables

3u+32=0

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

3u=-32

u=-32/3

u=-10+2/3

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