12-2u=9u+45=

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Solution for 12-2u=9u+45= equation: 



12-2u=9u+45=

We move all terms to the left:

12-2u-(9u+45)=0

We get rid of parentheses

-2u-9u-45+12=0

We add all the numbers together, and all the variables

-11u-33=0

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

-11u=33

u=33/-11

u=-3

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