12u-7=15u+11

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Solution for 12u-7=15u+11 equation: 



12u-7=15u+11

We move all terms to the left:

12u-7-(15u+11)=0

We get rid of parentheses

12u-15u-11-7=0

We add all the numbers together, and all the variables

-3u-18=0

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

-3u=18

u=18/-3

u=-6

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