-7u-9+2(3u+7)=-2(u+2)

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Solution for -7u-9+2(3u+7)=-2(u+2) equation: 



-7u-9+2(3u+7)=-2(u+2)

We move all terms to the left:

-7u-9+2(3u+7)-(-2(u+2))=0

We multiply parentheses

-7u+6u-(-2(u+2))+14-9=0



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

-2(u+2)

We multiply parentheses

-2u-4

Back to the equation:

-(-2u-4)



We add all the numbers together, and all the variables

-1u-(-2u-4)+5=0

We get rid of parentheses

-1u+2u+4+5=0

We add all the numbers together, and all the variables

u+9=0

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

u=-9

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