3x+9=x-(13)

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Solution for 3x+9=x-(13) equation: 



3x+9=x-(13)

We move all terms to the left:

3x+9-(x-(13))=0

We get rid of parentheses

3x-x+13+9=0

We add all the numbers together, and all the variables

2x+22=0

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

2x=-22

x=-22/2

x=-11

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