7u+8=-3u-2

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Solution for 7u+8=-3u-2 equation: 



7u+8=-3u-2

We move all terms to the left:

7u+8-(-3u-2)=0

We get rid of parentheses

7u+3u+2+8=0

We add all the numbers together, and all the variables

10u+10=0

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

10u=-10

u=-10/10

u=-1

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