3u-12=27

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Solution for 3u-12=27 equation: 



3u-12=27

We move all terms to the left:

3u-12-(27)=0

We add all the numbers together, and all the variables

3u-39=0

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

3u=39

u=39/3

u=13

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