20=-2u+8(u-2)

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Solution for 20=-2u+8(u-2) equation: 



20=-2u+8(u-2)

We move all terms to the left:

20-(-2u+8(u-2))=0



We calculate terms in parentheses: -(-2u+8(u-2)), so:

-2u+8(u-2)

We multiply parentheses

-2u+8u-16

We add all the numbers together, and all the variables

6u-16

Back to the equation:

-(6u-16)



We get rid of parentheses

-6u+16+20=0

We add all the numbers together, and all the variables

-6u+36=0

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

-6u=-36

u=-36/-6

u=+6

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