-7x-9=-9-4x

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Solution for -7x-9=-9-4x equation: 



-7x-9=-9-4x

We move all terms to the left:

-7x-9-(-9-4x)=0

We add all the numbers together, and all the variables

-7x-(-4x-9)-9=0

We get rid of parentheses

-7x+4x+9-9=0

We add all the numbers together, and all the variables

-3x=0

x=0/-3

x=0

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