-2(u+1)=18

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Solution for -2(u+1)=18 equation: 



-2(u+1)=18

We move all terms to the left:

-2(u+1)-(18)=0

We multiply parentheses

-2u-2-18=0

We add all the numbers together, and all the variables

-2u-20=0

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

-2u=20

u=20/-2

u=-10

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