2+3u=-19

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Solution for 2+3u=-19 equation: 



2+3u=-19

We move all terms to the left:

2+3u-(-19)=0

We add all the numbers together, and all the variables

3u+21=0

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

3u=-21

u=-21/3

u=-7

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