20=-6u+2(u+8)

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Solution for 20=-6u+2(u+8) equation: 



20=-6u+2(u+8)

We move all terms to the left:

20-(-6u+2(u+8))=0



We calculate terms in parentheses: -(-6u+2(u+8)), so:

-6u+2(u+8)

We multiply parentheses

-6u+2u+16

We add all the numbers together, and all the variables

-4u+16

Back to the equation:

-(-4u+16)



We get rid of parentheses

4u-16+20=0

We add all the numbers together, and all the variables

4u+4=0

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

4u=-4

u=-4/4

u=-1

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