2=u/7-1

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Solution for 2=u/7-1 equation: 



2=u/7-1

We move all terms to the left:

2-(u/7-1)=0

We get rid of parentheses

-u/7+1+2=0

We multiply all the terms by the denominator


-u+1*7+2*7=0

We add all the numbers together, and all the variables

-1u+21=0

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

-u=-21

u=-21/-1

u=+21

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