-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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