-7u-u+17u=-18

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Solution for -7u-u+17u=-18 equation: 



-7u-u+17u=-18

We move all terms to the left:

-7u-u+17u-(-18)=0

We add all the numbers together, and all the variables

9u+18=0

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

9u=-18

u=-18/9

u=-2

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