245=28-u

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Solution for 245=28-u equation: 



245=28-u

We move all terms to the left:

245-(28-u)=0

We add all the numbers together, and all the variables

-(-1u+28)+245=0

We get rid of parentheses

1u-28+245=0

We add all the numbers together, and all the variables

u+217=0

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

u=-217

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