-2x-9=5x+12

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Solution for -2x-9=5x+12 equation: 



-2x-9=5x+12

We move all terms to the left:

-2x-9-(5x+12)=0

We get rid of parentheses

-2x-5x-12-9=0

We add all the numbers together, and all the variables

-7x-21=0

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

-7x=21

x=21/-7

x=-3

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