215=32-u

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Solution for 215=32-u equation: 



215=32-u

We move all terms to the left:

215-(32-u)=0

We add all the numbers together, and all the variables

-(-1u+32)+215=0

We get rid of parentheses

1u-32+215=0

We add all the numbers together, and all the variables

u+183=0

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

u=-183

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