-2x-(x-3)=9

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Solution for -2x-(x-3)=9 equation: 



-2x-(x-3)=9

We move all terms to the left:

-2x-(x-3)-(9)=0

We get rid of parentheses

-2x-x+3-9=0

We add all the numbers together, and all the variables

-3x-6=0

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

-3x=6

x=6/-3

x=-2

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