-1=-3+u/2

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Solution for -1=-3+u/2 equation: 



-1=-3+u/2

We move all terms to the left:

-1-(-3+u/2)=0

We add all the numbers together, and all the variables

-(u/2-3)-1=0

We get rid of parentheses

-u/2+3-1=0

We multiply all the terms by the denominator


-u+3*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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