6=-u+221

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Solution for 6=-u+221 equation: 



6=-u+221

We move all terms to the left:

6-(-u+221)=0

We add all the numbers together, and all the variables

-(-1u+221)+6=0

We get rid of parentheses

1u-221+6=0

We add all the numbers together, and all the variables

u-215=0

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

u=215

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