2u-4=-4u-20

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Solution for 2u-4=-4u-20 equation: 



2u-4=-4u-20

We move all terms to the left:

2u-4-(-4u-20)=0

We get rid of parentheses

2u+4u+20-4=0

We add all the numbers together, and all the variables

6u+16=0

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

6u=-16

u=-16/6

u=-2+2/3

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