7-u+3u=-5-19

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Solution for 7-u+3u=-5-19 equation: 



7-u+3u=-5-19

We move all terms to the left:

7-u+3u-(-5-19)=0

We add all the numbers together, and all the variables

-u+3u+7-(-24)=0

We add all the numbers together, and all the variables

2u+31=0

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

2u=-31

u=-31/2

u=-15+1/2

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