288=78-u

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Solution for 288=78-u equation: 



288=78-u

We move all terms to the left:

288-(78-u)=0

We add all the numbers together, and all the variables

-(-1u+78)+288=0

We get rid of parentheses

1u-78+288=0

We add all the numbers together, and all the variables

u+210=0

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

u=-210

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