3u-4=-7

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Solution for 3u-4=-7 equation: 



3u-4=-7

We move all terms to the left:

3u-4-(-7)=0

We add all the numbers together, and all the variables

3u+3=0

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

3u=-3

u=-3/3

u=-1

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