2(u+9)=-2u-10

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Solution for 2(u+9)=-2u-10 equation: 



2(u+9)=-2u-10

We move all terms to the left:

2(u+9)-(-2u-10)=0

We multiply parentheses

2u-(-2u-10)+18=0

We get rid of parentheses

2u+2u+10+18=0

We add all the numbers together, and all the variables

4u+28=0

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

4u=-28

u=-28/4

u=-7

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