-1=u/7

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Solution for -1=u/7 equation: 



-1=u/7

We move all terms to the left:

-1-(u/7)=0

We add all the numbers together, and all the variables

-(+u/7)-1=0

We get rid of parentheses

-u/7-1=0

We multiply all the terms by the denominator


-u-1*7=0

We add all the numbers together, and all the variables

-1u-7=0

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

-u=7

u=7/-1

u=-7

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