18=-4u+2(u+4)

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Solution for 18=-4u+2(u+4) equation: 



18=-4u+2(u+4)

We move all terms to the left:

18-(-4u+2(u+4))=0



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

-4u+2(u+4)

We multiply parentheses

-4u+2u+8

We add all the numbers together, and all the variables

-2u+8

Back to the equation:

-(-2u+8)



We get rid of parentheses

2u-8+18=0

We add all the numbers together, and all the variables

2u+10=0

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

2u=-10

u=-10/2

u=-5

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