8x-1=12x+9

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Solution for 8x-1=12x+9 equation: 



8x-1=12x+9

We move all terms to the left:

8x-1-(12x+9)=0

We get rid of parentheses

8x-12x-9-1=0

We add all the numbers together, and all the variables

-4x-10=0

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

-4x=10

x=10/-4

x=-2+1/2

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