28=-4u+2(u+8)

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Solution for 28=-4u+2(u+8) equation: 



28=-4u+2(u+8)

We move all terms to the left:

28-(-4u+2(u+8))=0



We calculate terms in parentheses: -(-4u+2(u+8)), so:

-4u+2(u+8)

We multiply parentheses

-4u+2u+16

We add all the numbers together, and all the variables

-2u+16

Back to the equation:

-(-2u+16)



We get rid of parentheses

2u-16+28=0

We add all the numbers together, and all the variables

2u+12=0

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

2u=-12

u=-12/2

u=-6

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