-7(x+9)=-9(x+11)

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Solution for -7(x+9)=-9(x+11) equation: 



-7(x+9)=-9(x+11)

We move all terms to the left:

-7(x+9)-(-9(x+11))=0

We multiply parentheses

-7x-(-9(x+11))-63=0



We calculate terms in parentheses: -(-9(x+11)), so:

-9(x+11)

We multiply parentheses

-9x-99

Back to the equation:

-(-9x-99)



We get rid of parentheses

-7x+9x+99-63=0

We add all the numbers together, and all the variables

2x+36=0

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

2x=-36

x=-36/2

x=-18

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