-16-u=20-4u

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Solution for -16-u=20-4u equation: 



-16-u=20-4u

We move all terms to the left:

-16-u-(20-4u)=0

We add all the numbers together, and all the variables

-u-(-4u+20)-16=0

We add all the numbers together, and all the variables

-1u-(-4u+20)-16=0

We get rid of parentheses

-1u+4u-20-16=0

We add all the numbers together, and all the variables

3u-36=0

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

3u=36

u=36/3

u=12

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