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+57=0

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

-11u=-57

u=-57/-11

u=5+2/11

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