-20=5u+6-12u

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Solution for -20=5u+6-12u equation: 



-20=5u+6-12u

We move all terms to the left:

-20-(5u+6-12u)=0

We add all the numbers together, and all the variables

-(-7u+6)-20=0

We get rid of parentheses

7u-6-20=0

We add all the numbers together, and all the variables

7u-26=0

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

7u=26

u=26/7

u=3+5/7

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