-1=u/2+1

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Solution for -1=u/2+1 equation: 



-1=u/2+1

We move all terms to the left:

-1-(u/2+1)=0

We get rid of parentheses

-u/2-1-1=0

We multiply all the terms by the denominator


-u-1*2-1*2=0

We add all the numbers together, and all the variables

-1u-4=0

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

-u=4

u=4/-1

u=-4

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