4u-7=31

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Solution for 4u-7=31 equation: 



4u-7=31

We move all terms to the left:

4u-7-(31)=0

We add all the numbers together, and all the variables

4u-38=0

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

4u=38

u=38/4

u=9+1/2

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