-2(u+9)=-4u-6

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Solution for -2(u+9)=-4u-6 equation: 



-2(u+9)=-4u-6

We move all terms to the left:

-2(u+9)-(-4u-6)=0

We multiply parentheses

-2u-(-4u-6)-18=0

We get rid of parentheses

-2u+4u+6-18=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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