4x-12=8x-9

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Solution for 4x-12=8x-9 equation: 



4x-12=8x-9

We move all terms to the left:

4x-12-(8x-9)=0

We get rid of parentheses

4x-8x+9-12=0

We add all the numbers together, and all the variables

-4x-3=0

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

-4x=3

x=3/-4

x=-3/4

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