230=143-u

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Solution for 230=143-u equation: 



230=143-u

We move all terms to the left:

230-(143-u)=0

We add all the numbers together, and all the variables

-(-1u+143)+230=0

We get rid of parentheses

1u-143+230=0

We add all the numbers together, and all the variables

u+87=0

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

u=-87

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