-3.2=6.8+u

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Solution for -3.2=6.8+u equation: 



-3.2=6.8+u

We move all terms to the left:

-3.2-(6.8+u)=0

We add all the numbers together, and all the variables

-(u+6.8)-3.2=0

We get rid of parentheses

-u-6.8-3.2=0

We add all the numbers together, and all the variables

-1u-10=0

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

-u=10

u=10/-1

u=-10

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