279=208-u

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Solution for 279=208-u equation: 



279=208-u

We move all terms to the left:

279-(208-u)=0

We add all the numbers together, and all the variables

-(-1u+208)+279=0

We get rid of parentheses

1u-208+279=0

We add all the numbers together, and all the variables

u+71=0

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

u=-71

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