-u+6=-8+u

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Solution for -u+6=-8+u equation: 



-u+6=-8+u

We move all terms to the left:

-u+6-(-8+u)=0

We add all the numbers together, and all the variables

-u-(u-8)+6=0

We add all the numbers together, and all the variables

-1u-(u-8)+6=0

We get rid of parentheses

-1u-u+8+6=0

We add all the numbers together, and all the variables

-2u+14=0

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

-2u=-14

u=-14/-2

u=+7

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