7x-9+2x=13x-9-4x

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Solution for 7x-9+2x=13x-9-4x equation: 



7x-9+2x=13x-9-4x

We move all terms to the left:

7x-9+2x-(13x-9-4x)=0

We add all the numbers together, and all the variables

7x+2x-(9x-9)-9=0

We add all the numbers together, and all the variables

9x-(9x-9)-9=0

We get rid of parentheses

9x-9x+9-9=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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