3u=32-u

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Solution for 3u=32-u equation: 



3u=32-u

We move all terms to the left:

3u-(32-u)=0

We add all the numbers together, and all the variables

3u-(-1u+32)=0

We get rid of parentheses

3u+1u-32=0

We add all the numbers together, and all the variables

4u-32=0

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

4u=32

u=32/4

u=8

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