32=u+7u

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Solution for 32=u+7u equation: 



32=u+7u

We move all terms to the left:

32-(u+7u)=0

We add all the numbers together, and all the variables

-(+8u)+32=0

We get rid of parentheses

-8u+32=0

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

-8u=-32

u=-32/-8

u=+4

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