7u+6=55

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Solution for 7u+6=55 equation: 



7u+6=55

We move all terms to the left:

7u+6-(55)=0

We add all the numbers together, and all the variables

7u-49=0

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

7u=49

u=49/7

u=7

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