12x-9=-8x-29

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Solution for 12x-9=-8x-29 equation: 



12x-9=-8x-29

We move all terms to the left:

12x-9-(-8x-29)=0

We get rid of parentheses

12x+8x+29-9=0

We add all the numbers together, and all the variables

20x+20=0

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

20x=-20

x=-20/20

x=-1

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