-3u-7=2

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Solution for -3u-7=2 equation: 



-3u-7=2

We move all terms to the left:

-3u-7-(2)=0

We add all the numbers together, and all the variables

-3u-9=0

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

-3u=9

u=9/-3

u=-3

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