8=-2+u/2

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Solution for 8=-2+u/2 equation: 



8=-2+u/2

We move all terms to the left:

8-(-2+u/2)=0

We add all the numbers together, and all the variables

-(u/2-2)+8=0

We get rid of parentheses

-u/2+2+8=0

We multiply all the terms by the denominator


-u+2*2+8*2=0

We add all the numbers together, and all the variables

-1u+20=0

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

-u=-20

u=-20/-1

u=+20

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