-2(u-9)=8

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Solution for -2(u-9)=8 equation: 



-2(u-9)=8

We move all terms to the left:

-2(u-9)-(8)=0

We multiply parentheses

-2u+18-8=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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